256761360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4099}}^1$

素因数の和:4150

約数の個数: 160

約数和(自身を含む): 915120000

約数和(自身を除く): 658358640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4099, 4176, 5220, 6264, 6960, 7830, 8198, 10440, 12297, 12528, 15660, 16396, 20495, 20880, 24594, 31320, 32792, 36891, 40990, 49188, 61485, 62640, 65584, 73782, 81980, 98376, 110673, 118871, 122970, 147564, 163960, 184455, 196752, 221346, 237742, 245940, 295128, 327920, 356613, 368910, 442692, 475484, 491880, 553365, 590256, 594355, 713226, 737820, 885384, 950968, 983760, 1069839, 1106730, 1188710, 1426452, 1475640, 1770768, 1783065, 1901936, 2139678, 2213460, 2377420, 2852904, 2951280, 3209517, 3566130, 4279356, 4426920, 4754840, 5349195, 5705808, 6419034, 7132260, 8558712, 8853840, 9509680, 10698390, 12838068, 14264520, 16047585, 17117424, 21396780, 25676136, 28529040, 32095170, 42793560, 51352272, 64190340, 85587120, 128380680, 256761360]

約数ペア:

[(1, 256761360), (2, 128380680), (3, 85587120), (4, 64190340), (5, 51352272), (6, 42793560), (8, 32095170), (9, 28529040), (10, 25676136), (12, 21396780), (15, 17117424), (16, 16047585), (18, 14264520), (20, 12838068), (24, 10698390), (27, 9509680), (29, 8853840), (30, 8558712), (36, 7132260), (40, 6419034), (45, 5705808), (48, 5349195), (54, 4754840), (58, 4426920), (60, 4279356), (72, 3566130), (80, 3209517), (87, 2951280), (90, 2852904), (108, 2377420), (116, 2213460), (120, 2139678), (135, 1901936), (144, 1783065), (145, 1770768), (174, 1475640), (180, 1426452), (216, 1188710), (232, 1106730), (240, 1069839), (261, 983760), (270, 950968), (290, 885384), (348, 737820), (360, 713226), (432, 594355), (435, 590256), (464, 553365), (522, 491880), (540, 475484), (580, 442692), (696, 368910), (720, 356613), (783, 327920), (870, 295128), (1044, 245940), (1080, 237742), (1160, 221346), (1305, 196752), (1392, 184455), (1566, 163960), (1740, 147564), (2088, 122970), (2160, 118871), (2320, 110673), (2610, 98376), (3132, 81980), (3480, 73782), (3915, 65584), (4099, 62640), (4176, 61485), (5220, 49188), (6264, 40990), (6960, 36891), (7830, 32792), (8198, 31320), (10440, 24594), (12297, 20880), (12528, 20495), (15660, 16396)]