128345280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 224

約数和(自身を含む): 474024960

約数和(自身を除く): 345679680

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, 64, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 192, 210, 213, 224, 240, 269, 280, 284, 320, 336, 355, 420, 426, 448, 480, 497, 538, 560, 568, 672, 710, 807, 840, 852, 960, 994, 1065, 1076, 1120, 1136, 1344, 1345, 1420, 1491, 1614, 1680, 1704, 1883, 1988, 2130, 2152, 2240, 2272, 2485, 2690, 2840, 2982, 3228, 3360, 3408, 3766, 3976, 4035, 4260, 4304, 4544, 4970, 5380, 5649, 5680, 5964, 6456, 6720, 6816, 7455, 7532, 7952, 8070, 8520, 8608, 9415, 9940, 10760, 11298, 11360, 11928, 12912, 13632, 14910, 15064, 15904, 16140, 17040, 17216, 18830, 19099, 19880, 21520, 22596, 22720, 23856, 25824, 28245, 29820, 30128, 31808, 32280, 34080, 37660, 38198, 39760, 43040, 45192, 47712, 51648, 56490, 57297, 59640, 60256, 64560, 68160, 75320, 76396, 79520, 86080, 90384, 95424, 95495, 112980, 114594, 119280, 120512, 129120, 133693, 150640, 152792, 159040, 180768, 190990, 225960, 229188, 238560, 258240, 267386, 286485, 301280, 305584, 361536, 381980, 401079, 451920, 458376, 477120, 534772, 572970, 602560, 611168, 668465, 763960, 802158, 903840, 916752, 1069544, 1145940, 1222336, 1336930, 1527920, 1604316, 1807680, 1833504, 2005395, 2139088, 2291880, 2673860, 3055840, 3208632, 3667008, 4010790, 4278176, 4583760, 5347720, 6111680, 6417264, 8021580, 8556352, 9167520, 10695440, 12834528, 16043160, 18335040, 21390880, 25669056, 32086320, 42781760, 64172640, 128345280]

約数ペア:

[(1, 128345280), (2, 64172640), (3, 42781760), (4, 32086320), (5, 25669056), (6, 21390880), (7, 18335040), (8, 16043160), (10, 12834528), (12, 10695440), (14, 9167520), (15, 8556352), (16, 8021580), (20, 6417264), (21, 6111680), (24, 5347720), (28, 4583760), (30, 4278176), (32, 4010790), (35, 3667008), (40, 3208632), (42, 3055840), (48, 2673860), (56, 2291880), (60, 2139088), (64, 2005395), (70, 1833504), (71, 1807680), (80, 1604316), (84, 1527920), (96, 1336930), (105, 1222336), (112, 1145940), (120, 1069544), (140, 916752), (142, 903840), (160, 802158), (168, 763960), (192, 668465), (210, 611168), (213, 602560), (224, 572970), (240, 534772), (269, 477120), (280, 458376), (284, 451920), (320, 401079), (336, 381980), (355, 361536), (420, 305584), (426, 301280), (448, 286485), (480, 267386), (497, 258240), (538, 238560), (560, 229188), (568, 225960), (672, 190990), (710, 180768), (807, 159040), (840, 152792), (852, 150640), (960, 133693), (994, 129120), (1065, 120512), (1076, 119280), (1120, 114594), (1136, 112980), (1344, 95495), (1345, 95424), (1420, 90384), (1491, 86080), (1614, 79520), (1680, 76396), (1704, 75320), (1883, 68160), (1988, 64560), (2130, 60256), (2152, 59640), (2240, 57297), (2272, 56490), (2485, 51648), (2690, 47712), (2840, 45192), (2982, 43040), (3228, 39760), (3360, 38198), (3408, 37660), (3766, 34080), (3976, 32280), (4035, 31808), (4260, 30128), (4304, 29820), (4544, 28245), (4970, 25824), (5380, 23856), (5649, 22720), (5680, 22596), (5964, 21520), (6456, 19880), (6720, 19099), (6816, 18830), (7455, 17216), (7532, 17040), (7952, 16140), (8070, 15904), (8520, 15064), (8608, 14910), (9415, 13632), (9940, 12912), (10760, 11928), (11298, 11360)]