64172640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:365

約数の個数: 192

約数和(自身を含む): 235146240

約数和(自身を除く): 170973600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 210, 213, 224, 240, 269, 280, 284, 336, 355, 420, 426, 480, 497, 538, 560, 568, 672, 710, 807, 840, 852, 994, 1065, 1076, 1120, 1136, 1345, 1420, 1491, 1614, 1680, 1704, 1883, 1988, 2130, 2152, 2272, 2485, 2690, 2840, 2982, 3228, 3360, 3408, 3766, 3976, 4035, 4260, 4304, 4970, 5380, 5649, 5680, 5964, 6456, 6816, 7455, 7532, 7952, 8070, 8520, 8608, 9415, 9940, 10760, 11298, 11360, 11928, 12912, 14910, 15064, 15904, 16140, 17040, 18830, 19099, 19880, 21520, 22596, 23856, 25824, 28245, 29820, 30128, 32280, 34080, 37660, 38198, 39760, 43040, 45192, 47712, 56490, 57297, 59640, 60256, 64560, 75320, 76396, 79520, 90384, 95495, 112980, 114594, 119280, 129120, 133693, 150640, 152792, 180768, 190990, 225960, 229188, 238560, 267386, 286485, 301280, 305584, 381980, 401079, 451920, 458376, 534772, 572970, 611168, 668465, 763960, 802158, 903840, 916752, 1069544, 1145940, 1336930, 1527920, 1604316, 1833504, 2005395, 2139088, 2291880, 2673860, 3055840, 3208632, 4010790, 4278176, 4583760, 5347720, 6417264, 8021580, 9167520, 10695440, 12834528, 16043160, 21390880, 32086320, 64172640]

約数ペア:

[(1, 64172640), (2, 32086320), (3, 21390880), (4, 16043160), (5, 12834528), (6, 10695440), (7, 9167520), (8, 8021580), (10, 6417264), (12, 5347720), (14, 4583760), (15, 4278176), (16, 4010790), (20, 3208632), (21, 3055840), (24, 2673860), (28, 2291880), (30, 2139088), (32, 2005395), (35, 1833504), (40, 1604316), (42, 1527920), (48, 1336930), (56, 1145940), (60, 1069544), (70, 916752), (71, 903840), (80, 802158), (84, 763960), (96, 668465), (105, 611168), (112, 572970), (120, 534772), (140, 458376), (142, 451920), (160, 401079), (168, 381980), (210, 305584), (213, 301280), (224, 286485), (240, 267386), (269, 238560), (280, 229188), (284, 225960), (336, 190990), (355, 180768), (420, 152792), (426, 150640), (480, 133693), (497, 129120), (538, 119280), (560, 114594), (568, 112980), (672, 95495), (710, 90384), (807, 79520), (840, 76396), (852, 75320), (994, 64560), (1065, 60256), (1076, 59640), (1120, 57297), (1136, 56490), (1345, 47712), (1420, 45192), (1491, 43040), (1614, 39760), (1680, 38198), (1704, 37660), (1883, 34080), (1988, 32280), (2130, 30128), (2152, 29820), (2272, 28245), (2485, 25824), (2690, 23856), (2840, 22596), (2982, 21520), (3228, 19880), (3360, 19099), (3408, 18830), (3766, 17040), (3976, 16140), (4035, 15904), (4260, 15064), (4304, 14910), (4970, 12912), (5380, 11928), (5649, 11360), (5680, 11298), (5964, 10760), (6456, 9940), (6816, 9415), (7455, 8608), (7532, 8520), (7952, 8070)]