123723180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 192

約数和(自身を含む): 447068160

約数和(自身を除く): 323344980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 84, 90, 105, 108, 126, 135, 140, 142, 180, 189, 210, 213, 252, 270, 284, 315, 355, 378, 420, 426, 461, 497, 540, 630, 639, 710, 756, 852, 922, 945, 994, 1065, 1260, 1278, 1383, 1420, 1491, 1844, 1890, 1917, 1988, 2130, 2305, 2485, 2556, 2766, 2982, 3195, 3227, 3780, 3834, 4149, 4260, 4473, 4610, 4970, 5532, 5964, 6390, 6454, 6915, 7455, 7668, 8298, 8946, 9220, 9585, 9681, 9940, 12447, 12780, 12908, 13419, 13830, 14910, 16135, 16596, 17892, 19170, 19362, 20745, 22365, 24894, 26838, 27660, 29043, 29820, 32270, 32731, 38340, 38724, 41490, 44730, 48405, 49788, 53676, 58086, 62235, 64540, 65462, 67095, 82980, 87129, 89460, 96810, 98193, 116172, 124470, 130924, 134190, 145215, 163655, 174258, 193620, 196386, 229117, 248940, 268380, 290430, 294579, 327310, 348516, 392772, 435645, 458234, 490965, 580860, 589158, 654620, 687351, 871290, 883737, 916468, 981930, 1145585, 1178316, 1374702, 1472895, 1742580, 1767474, 1963860, 2062053, 2291170, 2749404, 2945790, 3436755, 3534948, 4124106, 4418685, 4582340, 5891580, 6186159, 6873510, 8248212, 8837370, 10310265, 12372318, 13747020, 17674740, 20620530, 24744636, 30930795, 41241060, 61861590, 123723180]

約数ペア:

[(1, 123723180), (2, 61861590), (3, 41241060), (4, 30930795), (5, 24744636), (6, 20620530), (7, 17674740), (9, 13747020), (10, 12372318), (12, 10310265), (14, 8837370), (15, 8248212), (18, 6873510), (20, 6186159), (21, 5891580), (27, 4582340), (28, 4418685), (30, 4124106), (35, 3534948), (36, 3436755), (42, 2945790), (45, 2749404), (54, 2291170), (60, 2062053), (63, 1963860), (70, 1767474), (71, 1742580), (84, 1472895), (90, 1374702), (105, 1178316), (108, 1145585), (126, 981930), (135, 916468), (140, 883737), (142, 871290), (180, 687351), (189, 654620), (210, 589158), (213, 580860), (252, 490965), (270, 458234), (284, 435645), (315, 392772), (355, 348516), (378, 327310), (420, 294579), (426, 290430), (461, 268380), (497, 248940), (540, 229117), (630, 196386), (639, 193620), (710, 174258), (756, 163655), (852, 145215), (922, 134190), (945, 130924), (994, 124470), (1065, 116172), (1260, 98193), (1278, 96810), (1383, 89460), (1420, 87129), (1491, 82980), (1844, 67095), (1890, 65462), (1917, 64540), (1988, 62235), (2130, 58086), (2305, 53676), (2485, 49788), (2556, 48405), (2766, 44730), (2982, 41490), (3195, 38724), (3227, 38340), (3780, 32731), (3834, 32270), (4149, 29820), (4260, 29043), (4473, 27660), (4610, 26838), (4970, 24894), (5532, 22365), (5964, 20745), (6390, 19362), (6454, 19170), (6915, 17892), (7455, 16596), (7668, 16135), (8298, 14910), (8946, 13830), (9220, 13419), (9585, 12908), (9681, 12780), (9940, 12447)]