81251640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3271}}^1$

素因数の和:3314

約数の個数: 128

約数和(自身を含む): 282700800

約数和(自身を除く): 201449160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 3271, 4140, 4968, 6210, 6542, 8280, 9813, 12420, 13084, 16355, 19626, 24840, 26168, 29439, 32710, 39252, 49065, 58878, 65420, 75233, 78504, 88317, 98130, 117756, 130840, 147195, 150466, 176634, 196260, 225699, 235512, 294390, 300932, 353268, 376165, 392520, 441585, 451398, 588780, 601864, 677097, 706536, 752330, 883170, 902796, 1128495, 1177560, 1354194, 1504660, 1766340, 1805592, 2031291, 2256990, 2708388, 3009320, 3385485, 3532680, 4062582, 4513980, 5416776, 6770970, 8125164, 9027960, 10156455, 13541940, 16250328, 20312910, 27083880, 40625820, 81251640]

約数ペア:

[(1, 81251640), (2, 40625820), (3, 27083880), (4, 20312910), (5, 16250328), (6, 13541940), (8, 10156455), (9, 9027960), (10, 8125164), (12, 6770970), (15, 5416776), (18, 4513980), (20, 4062582), (23, 3532680), (24, 3385485), (27, 3009320), (30, 2708388), (36, 2256990), (40, 2031291), (45, 1805592), (46, 1766340), (54, 1504660), (60, 1354194), (69, 1177560), (72, 1128495), (90, 902796), (92, 883170), (108, 752330), (115, 706536), (120, 677097), (135, 601864), (138, 588780), (180, 451398), (184, 441585), (207, 392520), (216, 376165), (230, 353268), (270, 300932), (276, 294390), (345, 235512), (360, 225699), (414, 196260), (460, 176634), (540, 150466), (552, 147195), (621, 130840), (690, 117756), (828, 98130), (920, 88317), (1035, 78504), (1080, 75233), (1242, 65420), (1380, 58878), (1656, 49065), (2070, 39252), (2484, 32710), (2760, 29439), (3105, 26168), (3271, 24840), (4140, 19626), (4968, 16355), (6210, 13084), (6542, 12420), (8280, 9813)]