668020080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 320

約数和(自身を含む): 2589834240

約数和(自身を除く): 1921814160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 73, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 146, 156, 168, 182, 195, 208, 210, 219, 240, 260, 273, 280, 292, 312, 336, 364, 365, 390, 419, 420, 438, 455, 511, 520, 546, 560, 584, 624, 728, 730, 780, 838, 840, 876, 910, 949, 1022, 1040, 1092, 1095, 1168, 1257, 1365, 1456, 1460, 1533, 1560, 1676, 1680, 1752, 1820, 1898, 2044, 2095, 2184, 2190, 2514, 2555, 2730, 2847, 2920, 2933, 3066, 3120, 3352, 3504, 3640, 3796, 4088, 4190, 4368, 4380, 4745, 5028, 5110, 5447, 5460, 5694, 5840, 5866, 6132, 6285, 6643, 6704, 7280, 7592, 7665, 8176, 8380, 8760, 8799, 9490, 10056, 10220, 10894, 10920, 11388, 11732, 12264, 12570, 13286, 14235, 14665, 15184, 15330, 16341, 16760, 17520, 17598, 18980, 19929, 20112, 20440, 21788, 21840, 22776, 23464, 24528, 25140, 26572, 27235, 28470, 29330, 30587, 30660, 32682, 33215, 33520, 35196, 37960, 38129, 39858, 40880, 43576, 43995, 45552, 46928, 50280, 53144, 54470, 56940, 58660, 61174, 61320, 65364, 66430, 70392, 75920, 76258, 79716, 81705, 87152, 87990, 91761, 99645, 100560, 106288, 108940, 113880, 114387, 117320, 122348, 122640, 130728, 132860, 140784, 152516, 152935, 159432, 163410, 175980, 183522, 190645, 199290, 214109, 217880, 227760, 228774, 234640, 244696, 261456, 265720, 305032, 305870, 318864, 326820, 351960, 367044, 381290, 397631, 398580, 428218, 435760, 457548, 458805, 489392, 531440, 571935, 610064, 611740, 642327, 653640, 703920, 734088, 762580, 795262, 797160, 856436, 915096, 917610, 1070545, 1143870, 1192893, 1223480, 1284654, 1307280, 1468176, 1525160, 1590524, 1594320, 1712872, 1830192, 1835220, 1988155, 2141090, 2287740, 2385786, 2446960, 2569308, 2783417, 3050320, 3181048, 3211635, 3425744, 3670440, 3976310, 4282180, 4575480, 4771572, 5138616, 5566834, 5964465, 6362096, 6423270, 7340880, 7952620, 8350251, 8564360, 9150960, 9543144, 10277232, 11133668, 11928930, 12846540, 13917085, 15905240, 16700502, 17128720, 19086288, 22267336, 23857860, 25693080, 27834170, 31810480, 33401004, 41751255, 44534672, 47715720, 51386160, 55668340, 66802008, 83502510, 95431440, 111336680, 133604016, 167005020, 222673360, 334010040, 668020080]

約数ペア:

[(1, 668020080), (2, 334010040), (3, 222673360), (4, 167005020), (5, 133604016), (6, 111336680), (7, 95431440), (8, 83502510), (10, 66802008), (12, 55668340), (13, 51386160), (14, 47715720), (15, 44534672), (16, 41751255), (20, 33401004), (21, 31810480), (24, 27834170), (26, 25693080), (28, 23857860), (30, 22267336), (35, 19086288), (39, 17128720), (40, 16700502), (42, 15905240), (48, 13917085), (52, 12846540), (56, 11928930), (60, 11133668), (65, 10277232), (70, 9543144), (73, 9150960), (78, 8564360), (80, 8350251), (84, 7952620), (91, 7340880), (104, 6423270), (105, 6362096), (112, 5964465), (120, 5566834), (130, 5138616), (140, 4771572), (146, 4575480), (156, 4282180), (168, 3976310), (182, 3670440), (195, 3425744), (208, 3211635), (210, 3181048), (219, 3050320), (240, 2783417), (260, 2569308), (273, 2446960), (280, 2385786), (292, 2287740), (312, 2141090), (336, 1988155), (364, 1835220), (365, 1830192), (390, 1712872), (419, 1594320), (420, 1590524), (438, 1525160), (455, 1468176), (511, 1307280), (520, 1284654), (546, 1223480), (560, 1192893), (584, 1143870), (624, 1070545), (728, 917610), (730, 915096), (780, 856436), (838, 797160), (840, 795262), (876, 762580), (910, 734088), (949, 703920), (1022, 653640), (1040, 642327), (1092, 611740), (1095, 610064), (1168, 571935), (1257, 531440), (1365, 489392), (1456, 458805), (1460, 457548), (1533, 435760), (1560, 428218), (1676, 398580), (1680, 397631), (1752, 381290), (1820, 367044), (1898, 351960), (2044, 326820), (2095, 318864), (2184, 305870), (2190, 305032), (2514, 265720), (2555, 261456), (2730, 244696), (2847, 234640), (2920, 228774), (2933, 227760), (3066, 217880), (3120, 214109), (3352, 199290), (3504, 190645), (3640, 183522), (3796, 175980), (4088, 163410), (4190, 159432), (4368, 152935), (4380, 152516), (4745, 140784), (5028, 132860), (5110, 130728), (5447, 122640), (5460, 122348), (5694, 117320), (5840, 114387), (5866, 113880), (6132, 108940), (6285, 106288), (6643, 100560), (6704, 99645), (7280, 91761), (7592, 87990), (7665, 87152), (8176, 81705), (8380, 79716), (8760, 76258), (8799, 75920), (9490, 70392), (10056, 66430), (10220, 65364), (10894, 61320), (10920, 61174), (11388, 58660), (11732, 56940), (12264, 54470), (12570, 53144), (13286, 50280), (14235, 46928), (14665, 45552), (15184, 43995), (15330, 43576), (16341, 40880), (16760, 39858), (17520, 38129), (17598, 37960), (18980, 35196), (19929, 33520), (20112, 33215), (20440, 32682), (21788, 30660), (21840, 30587), (22776, 29330), (23464, 28470), (24528, 27235), (25140, 26572)]