401154880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 224

約数和(自身を含む): 1158727680

約数和(自身を除く): 757572800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 53, 56, 62, 64, 70, 80, 106, 109, 112, 124, 140, 155, 160, 212, 217, 218, 224, 248, 265, 280, 310, 320, 371, 424, 434, 436, 448, 496, 530, 545, 560, 620, 742, 763, 848, 868, 872, 992, 1060, 1085, 1090, 1120, 1240, 1484, 1526, 1643, 1696, 1736, 1744, 1855, 1984, 2120, 2170, 2180, 2240, 2480, 2968, 3052, 3286, 3379, 3392, 3472, 3488, 3710, 3815, 4240, 4340, 4360, 4960, 5777, 5936, 6104, 6572, 6758, 6944, 6976, 7420, 7630, 8215, 8480, 8680, 8720, 9920, 11501, 11554, 11872, 12208, 13144, 13516, 13888, 14840, 15260, 16430, 16895, 16960, 17360, 17440, 23002, 23108, 23653, 23744, 24416, 26288, 27032, 28885, 29680, 30520, 32860, 33790, 34720, 34880, 40439, 46004, 46216, 47306, 48832, 52576, 54064, 57505, 57770, 59360, 61040, 65720, 67580, 69440, 80878, 92008, 92432, 94612, 105152, 108128, 115010, 115540, 118265, 118720, 122080, 131440, 135160, 161756, 179087, 184016, 184864, 189224, 202195, 216256, 230020, 231080, 236530, 244160, 262880, 270320, 323512, 358174, 368032, 369728, 378448, 404390, 460040, 462160, 473060, 525760, 540640, 647024, 716348, 736064, 756896, 808780, 895435, 920080, 924320, 946120, 1081280, 1253609, 1294048, 1432696, 1513792, 1617560, 1790870, 1840160, 1848640, 1892240, 2507218, 2588096, 2865392, 3235120, 3581740, 3680320, 3784480, 5014436, 5730784, 6268045, 6470240, 7163480, 7568960, 10028872, 11461568, 12536090, 12940480, 14326960, 20057744, 25072180, 28653920, 40115488, 50144360, 57307840, 80230976, 100288720, 200577440, 401154880]

約数ペア:

[(1, 401154880), (2, 200577440), (4, 100288720), (5, 80230976), (7, 57307840), (8, 50144360), (10, 40115488), (14, 28653920), (16, 25072180), (20, 20057744), (28, 14326960), (31, 12940480), (32, 12536090), (35, 11461568), (40, 10028872), (53, 7568960), (56, 7163480), (62, 6470240), (64, 6268045), (70, 5730784), (80, 5014436), (106, 3784480), (109, 3680320), (112, 3581740), (124, 3235120), (140, 2865392), (155, 2588096), (160, 2507218), (212, 1892240), (217, 1848640), (218, 1840160), (224, 1790870), (248, 1617560), (265, 1513792), (280, 1432696), (310, 1294048), (320, 1253609), (371, 1081280), (424, 946120), (434, 924320), (436, 920080), (448, 895435), (496, 808780), (530, 756896), (545, 736064), (560, 716348), (620, 647024), (742, 540640), (763, 525760), (848, 473060), (868, 462160), (872, 460040), (992, 404390), (1060, 378448), (1085, 369728), (1090, 368032), (1120, 358174), (1240, 323512), (1484, 270320), (1526, 262880), (1643, 244160), (1696, 236530), (1736, 231080), (1744, 230020), (1855, 216256), (1984, 202195), (2120, 189224), (2170, 184864), (2180, 184016), (2240, 179087), (2480, 161756), (2968, 135160), (3052, 131440), (3286, 122080), (3379, 118720), (3392, 118265), (3472, 115540), (3488, 115010), (3710, 108128), (3815, 105152), (4240, 94612), (4340, 92432), (4360, 92008), (4960, 80878), (5777, 69440), (5936, 67580), (6104, 65720), (6572, 61040), (6758, 59360), (6944, 57770), (6976, 57505), (7420, 54064), (7630, 52576), (8215, 48832), (8480, 47306), (8680, 46216), (8720, 46004), (9920, 40439), (11501, 34880), (11554, 34720), (11872, 33790), (12208, 32860), (13144, 30520), (13516, 29680), (13888, 28885), (14840, 27032), (15260, 26288), (16430, 24416), (16895, 23744), (16960, 23653), (17360, 23108), (17440, 23002)]