65416560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 160

約数和(自身を含む): 224985600

約数和(自身を除く): 159569040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 110, 120, 132, 142, 165, 176, 213, 220, 240, 264, 284, 330, 349, 355, 426, 440, 528, 568, 660, 698, 710, 781, 852, 880, 1047, 1065, 1136, 1320, 1396, 1420, 1562, 1704, 1745, 2094, 2130, 2343, 2640, 2792, 2840, 3124, 3408, 3490, 3839, 3905, 4188, 4260, 4686, 5235, 5584, 5680, 6248, 6980, 7678, 7810, 8376, 8520, 9372, 10470, 11517, 11715, 12496, 13960, 15356, 15620, 16752, 17040, 18744, 19195, 20940, 23034, 23430, 24779, 27920, 30712, 31240, 37488, 38390, 41880, 46068, 46860, 49558, 57585, 61424, 62480, 74337, 76780, 83760, 92136, 93720, 99116, 115170, 123895, 148674, 153560, 184272, 187440, 198232, 230340, 247790, 272569, 297348, 307120, 371685, 396464, 460680, 495580, 545138, 594696, 743370, 817707, 921360, 991160, 1090276, 1189392, 1362845, 1486740, 1635414, 1982320, 2180552, 2725690, 2973480, 3270828, 4088535, 4361104, 5451380, 5946960, 6541656, 8177070, 10902760, 13083312, 16354140, 21805520, 32708280, 65416560]

約数ペア:

[(1, 65416560), (2, 32708280), (3, 21805520), (4, 16354140), (5, 13083312), (6, 10902760), (8, 8177070), (10, 6541656), (11, 5946960), (12, 5451380), (15, 4361104), (16, 4088535), (20, 3270828), (22, 2973480), (24, 2725690), (30, 2180552), (33, 1982320), (40, 1635414), (44, 1486740), (48, 1362845), (55, 1189392), (60, 1090276), (66, 991160), (71, 921360), (80, 817707), (88, 743370), (110, 594696), (120, 545138), (132, 495580), (142, 460680), (165, 396464), (176, 371685), (213, 307120), (220, 297348), (240, 272569), (264, 247790), (284, 230340), (330, 198232), (349, 187440), (355, 184272), (426, 153560), (440, 148674), (528, 123895), (568, 115170), (660, 99116), (698, 93720), (710, 92136), (781, 83760), (852, 76780), (880, 74337), (1047, 62480), (1065, 61424), (1136, 57585), (1320, 49558), (1396, 46860), (1420, 46068), (1562, 41880), (1704, 38390), (1745, 37488), (2094, 31240), (2130, 30712), (2343, 27920), (2640, 24779), (2792, 23430), (2840, 23034), (3124, 20940), (3408, 19195), (3490, 18744), (3839, 17040), (3905, 16752), (4188, 15620), (4260, 15356), (4686, 13960), (5235, 12496), (5584, 11715), (5680, 11517), (6248, 10470), (6980, 9372), (7678, 8520), (7810, 8376)]