420879480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7057}}^1$

素因数の和:7149

約数の個数: 128

約数和(自身を含む): 1463546880

約数和(自身を除く): 1042667400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7057, 7455, 8520, 9940, 11928, 14114, 14910, 19880, 21171, 28228, 29820, 35285, 42342, 49399, 56456, 59640, 70570, 84684, 98798, 105855, 141140, 148197, 169368, 197596, 211710, 246995, 282280, 296394, 395192, 423420, 493990, 501047, 592788, 740985, 846840, 987980, 1002094, 1185576, 1481970, 1503141, 1975960, 2004188, 2505235, 2963940, 3006282, 3507329, 4008376, 5010470, 5927880, 6012564, 7014658, 7515705, 10020940, 10521987, 12025128, 14029316, 15031410, 17536645, 20041880, 21043974, 28058632, 30062820, 35073290, 42087948, 52609935, 60125640, 70146580, 84175896, 105219870, 140293160, 210439740, 420879480]

約数ペア:

[(1, 420879480), (2, 210439740), (3, 140293160), (4, 105219870), (5, 84175896), (6, 70146580), (7, 60125640), (8, 52609935), (10, 42087948), (12, 35073290), (14, 30062820), (15, 28058632), (20, 21043974), (21, 20041880), (24, 17536645), (28, 15031410), (30, 14029316), (35, 12025128), (40, 10521987), (42, 10020940), (56, 7515705), (60, 7014658), (70, 6012564), (71, 5927880), (84, 5010470), (105, 4008376), (120, 3507329), (140, 3006282), (142, 2963940), (168, 2505235), (210, 2004188), (213, 1975960), (280, 1503141), (284, 1481970), (355, 1185576), (420, 1002094), (426, 987980), (497, 846840), (568, 740985), (710, 592788), (840, 501047), (852, 493990), (994, 423420), (1065, 395192), (1420, 296394), (1491, 282280), (1704, 246995), (1988, 211710), (2130, 197596), (2485, 169368), (2840, 148197), (2982, 141140), (3976, 105855), (4260, 98798), (4970, 84684), (5964, 70570), (7057, 59640), (7455, 56456), (8520, 49399), (9940, 42342), (11928, 35285), (14114, 29820), (14910, 28228), (19880, 21171)]