181221040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 320

約数和(自身を含む): 591962112

約数和(自身を除く): 410741072

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 73, 77, 80, 88, 91, 104, 110, 112, 124, 130, 140, 143, 146, 154, 155, 176, 182, 208, 217, 220, 248, 260, 280, 286, 292, 308, 310, 341, 364, 365, 385, 403, 434, 440, 455, 496, 511, 520, 560, 572, 584, 616, 620, 682, 715, 728, 730, 770, 803, 806, 868, 880, 910, 949, 1001, 1022, 1040, 1085, 1144, 1168, 1232, 1240, 1364, 1430, 1456, 1460, 1540, 1606, 1612, 1705, 1736, 1820, 1898, 2002, 2015, 2044, 2170, 2263, 2288, 2387, 2480, 2555, 2728, 2821, 2860, 2920, 3080, 3212, 3224, 3410, 3472, 3640, 3796, 4004, 4015, 4030, 4088, 4340, 4433, 4526, 4745, 4774, 5005, 5110, 5456, 5621, 5642, 5720, 5840, 6160, 6424, 6448, 6643, 6820, 7280, 7592, 8008, 8030, 8060, 8176, 8680, 8866, 9052, 9490, 9548, 10010, 10220, 10439, 11242, 11284, 11315, 11440, 11935, 12848, 13286, 13640, 14105, 15184, 15841, 16016, 16060, 16120, 17360, 17732, 18104, 18980, 19096, 20020, 20440, 20878, 22165, 22484, 22568, 22630, 23870, 24893, 26572, 27280, 28105, 28210, 29419, 31031, 31682, 32120, 32240, 33215, 35464, 36208, 37960, 38192, 40040, 40880, 41756, 44330, 44968, 45136, 45260, 47740, 49786, 52195, 53144, 56210, 56420, 58838, 62062, 63364, 64240, 66430, 70928, 73073, 75920, 79205, 80080, 83512, 88660, 89936, 90520, 95480, 99572, 104390, 106288, 112420, 112840, 117676, 124124, 124465, 126728, 132860, 146146, 147095, 155155, 158410, 167024, 174251, 177320, 181040, 190960, 199144, 205933, 208780, 224840, 225680, 235352, 248248, 248930, 253456, 265720, 292292, 294190, 310310, 316820, 323609, 348502, 354640, 365365, 398288, 411866, 417560, 449680, 470704, 496496, 497860, 531440, 584584, 588380, 620620, 633640, 647218, 697004, 730730, 823732, 835120, 871255, 995720, 1029665, 1169168, 1176760, 1241240, 1267280, 1294436, 1394008, 1461460, 1618045, 1647464, 1742510, 1991440, 2059330, 2265263, 2353520, 2482480, 2588872, 2788016, 2922920, 3236090, 3294928, 3485020, 4118660, 4530526, 5177744, 5845840, 6472180, 6970040, 8237320, 9061052, 11326315, 12944360, 13940080, 16474640, 18122104, 22652630, 25888720, 36244208, 45305260, 90610520, 181221040]

約数ペア:

[(1, 181221040), (2, 90610520), (4, 45305260), (5, 36244208), (7, 25888720), (8, 22652630), (10, 18122104), (11, 16474640), (13, 13940080), (14, 12944360), (16, 11326315), (20, 9061052), (22, 8237320), (26, 6970040), (28, 6472180), (31, 5845840), (35, 5177744), (40, 4530526), (44, 4118660), (52, 3485020), (55, 3294928), (56, 3236090), (62, 2922920), (65, 2788016), (70, 2588872), (73, 2482480), (77, 2353520), (80, 2265263), (88, 2059330), (91, 1991440), (104, 1742510), (110, 1647464), (112, 1618045), (124, 1461460), (130, 1394008), (140, 1294436), (143, 1267280), (146, 1241240), (154, 1176760), (155, 1169168), (176, 1029665), (182, 995720), (208, 871255), (217, 835120), (220, 823732), (248, 730730), (260, 697004), (280, 647218), (286, 633640), (292, 620620), (308, 588380), (310, 584584), (341, 531440), (364, 497860), (365, 496496), (385, 470704), (403, 449680), (434, 417560), (440, 411866), (455, 398288), (496, 365365), (511, 354640), (520, 348502), (560, 323609), (572, 316820), (584, 310310), (616, 294190), (620, 292292), (682, 265720), (715, 253456), (728, 248930), (730, 248248), (770, 235352), (803, 225680), (806, 224840), (868, 208780), (880, 205933), (910, 199144), (949, 190960), (1001, 181040), (1022, 177320), (1040, 174251), (1085, 167024), (1144, 158410), (1168, 155155), (1232, 147095), (1240, 146146), (1364, 132860), (1430, 126728), (1456, 124465), (1460, 124124), (1540, 117676), (1606, 112840), (1612, 112420), (1705, 106288), (1736, 104390), (1820, 99572), (1898, 95480), (2002, 90520), (2015, 89936), (2044, 88660), (2170, 83512), (2263, 80080), (2288, 79205), (2387, 75920), (2480, 73073), (2555, 70928), (2728, 66430), (2821, 64240), (2860, 63364), (2920, 62062), (3080, 58838), (3212, 56420), (3224, 56210), (3410, 53144), (3472, 52195), (3640, 49786), (3796, 47740), (4004, 45260), (4015, 45136), (4030, 44968), (4088, 44330), (4340, 41756), (4433, 40880), (4526, 40040), (4745, 38192), (4774, 37960), (5005, 36208), (5110, 35464), (5456, 33215), (5621, 32240), (5642, 32120), (5720, 31682), (5840, 31031), (6160, 29419), (6424, 28210), (6448, 28105), (6643, 27280), (6820, 26572), (7280, 24893), (7592, 23870), (8008, 22630), (8030, 22568), (8060, 22484), (8176, 22165), (8680, 20878), (8866, 20440), (9052, 20020), (9490, 19096), (9548, 18980), (10010, 18104), (10220, 17732), (10439, 17360), (11242, 16120), (11284, 16060), (11315, 16016), (11440, 15841), (11935, 15184), (12848, 14105), (13286, 13640)]