19503120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 320

約数和(自身を含む): 79994880

約数和(自身を除く): 60491760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 47, 48, 52, 56, 57, 60, 65, 70, 76, 78, 80, 84, 91, 94, 95, 104, 105, 112, 114, 120, 130, 133, 140, 141, 152, 156, 168, 182, 188, 190, 195, 208, 210, 228, 235, 240, 247, 260, 266, 273, 280, 282, 285, 304, 312, 329, 336, 364, 376, 380, 390, 399, 420, 455, 456, 470, 494, 520, 532, 546, 560, 564, 570, 611, 624, 658, 665, 705, 728, 741, 752, 760, 780, 798, 840, 893, 910, 912, 940, 987, 988, 1040, 1064, 1092, 1128, 1140, 1222, 1235, 1316, 1330, 1365, 1410, 1456, 1482, 1520, 1560, 1596, 1645, 1680, 1729, 1786, 1820, 1833, 1880, 1974, 1976, 1995, 2128, 2184, 2256, 2280, 2444, 2470, 2632, 2660, 2679, 2730, 2820, 2964, 3055, 3120, 3192, 3290, 3458, 3572, 3640, 3666, 3705, 3760, 3948, 3952, 3990, 4277, 4368, 4465, 4560, 4888, 4935, 4940, 5187, 5264, 5320, 5358, 5460, 5640, 5928, 6110, 6251, 6384, 6580, 6916, 7144, 7280, 7332, 7410, 7896, 7980, 8554, 8645, 8930, 9165, 9776, 9870, 9880, 10374, 10640, 10716, 10920, 11280, 11609, 11856, 12220, 12502, 12831, 13160, 13395, 13832, 14288, 14664, 14820, 15792, 15960, 17108, 17290, 17860, 18330, 18753, 19740, 19760, 20748, 21385, 21432, 21840, 23218, 24440, 25004, 25662, 25935, 26320, 26790, 27664, 29328, 29640, 31255, 31920, 34216, 34580, 34827, 35720, 36660, 37506, 39480, 41496, 42770, 42864, 46436, 48880, 50008, 51324, 51870, 53580, 58045, 59280, 62510, 64155, 68432, 69160, 69654, 71440, 73320, 75012, 78960, 81263, 82992, 85540, 92872, 93765, 100016, 102648, 103740, 107160, 116090, 125020, 128310, 138320, 139308, 146640, 150024, 162526, 171080, 174135, 185744, 187530, 205296, 207480, 214320, 232180, 243789, 250040, 256620, 278616, 300048, 325052, 342160, 348270, 375060, 406315, 414960, 464360, 487578, 500080, 513240, 557232, 650104, 696540, 750120, 812630, 928720, 975156, 1026480, 1218945, 1300208, 1393080, 1500240, 1625260, 1950312, 2437890, 2786160, 3250520, 3900624, 4875780, 6501040, 9751560, 19503120]

約数ペア:

[(1, 19503120), (2, 9751560), (3, 6501040), (4, 4875780), (5, 3900624), (6, 3250520), (7, 2786160), (8, 2437890), (10, 1950312), (12, 1625260), (13, 1500240), (14, 1393080), (15, 1300208), (16, 1218945), (19, 1026480), (20, 975156), (21, 928720), (24, 812630), (26, 750120), (28, 696540), (30, 650104), (35, 557232), (38, 513240), (39, 500080), (40, 487578), (42, 464360), (47, 414960), (48, 406315), (52, 375060), (56, 348270), (57, 342160), (60, 325052), (65, 300048), (70, 278616), (76, 256620), (78, 250040), (80, 243789), (84, 232180), (91, 214320), (94, 207480), (95, 205296), (104, 187530), (105, 185744), (112, 174135), (114, 171080), (120, 162526), (130, 150024), (133, 146640), (140, 139308), (141, 138320), (152, 128310), (156, 125020), (168, 116090), (182, 107160), (188, 103740), (190, 102648), (195, 100016), (208, 93765), (210, 92872), (228, 85540), (235, 82992), (240, 81263), (247, 78960), (260, 75012), (266, 73320), (273, 71440), (280, 69654), (282, 69160), (285, 68432), (304, 64155), (312, 62510), (329, 59280), (336, 58045), (364, 53580), (376, 51870), (380, 51324), (390, 50008), (399, 48880), (420, 46436), (455, 42864), (456, 42770), (470, 41496), (494, 39480), (520, 37506), (532, 36660), (546, 35720), (560, 34827), (564, 34580), (570, 34216), (611, 31920), (624, 31255), (658, 29640), (665, 29328), (705, 27664), (728, 26790), (741, 26320), (752, 25935), (760, 25662), (780, 25004), (798, 24440), (840, 23218), (893, 21840), (910, 21432), (912, 21385), (940, 20748), (987, 19760), (988, 19740), (1040, 18753), (1064, 18330), (1092, 17860), (1128, 17290), (1140, 17108), (1222, 15960), (1235, 15792), (1316, 14820), (1330, 14664), (1365, 14288), (1410, 13832), (1456, 13395), (1482, 13160), (1520, 12831), (1560, 12502), (1596, 12220), (1645, 11856), (1680, 11609), (1729, 11280), (1786, 10920), (1820, 10716), (1833, 10640), (1880, 10374), (1974, 9880), (1976, 9870), (1995, 9776), (2128, 9165), (2184, 8930), (2256, 8645), (2280, 8554), (2444, 7980), (2470, 7896), (2632, 7410), (2660, 7332), (2679, 7280), (2730, 7144), (2820, 6916), (2964, 6580), (3055, 6384), (3120, 6251), (3192, 6110), (3290, 5928), (3458, 5640), (3572, 5460), (3640, 5358), (3666, 5320), (3705, 5264), (3760, 5187), (3948, 4940), (3952, 4935), (3990, 4888), (4277, 4560), (4368, 4465)]