31925520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 240

約数和(自身を含む): 121867200

約数和(自身を除く): 89941680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 48, 55, 58, 60, 66, 72, 80, 87, 88, 90, 99, 110, 116, 120, 132, 139, 144, 145, 165, 174, 176, 180, 198, 220, 232, 240, 261, 264, 278, 290, 319, 330, 348, 360, 396, 417, 435, 440, 464, 495, 522, 528, 556, 580, 638, 660, 695, 696, 720, 792, 834, 870, 880, 957, 990, 1044, 1112, 1160, 1251, 1276, 1305, 1320, 1390, 1392, 1529, 1584, 1595, 1668, 1740, 1914, 1980, 2085, 2088, 2224, 2320, 2502, 2552, 2610, 2640, 2780, 2871, 3058, 3190, 3336, 3480, 3828, 3960, 4031, 4170, 4176, 4587, 4785, 5004, 5104, 5220, 5560, 5742, 6116, 6255, 6380, 6672, 6960, 7645, 7656, 7920, 8062, 8340, 9174, 9570, 10008, 10440, 11120, 11484, 12093, 12232, 12510, 12760, 13761, 14355, 15290, 15312, 16124, 16680, 18348, 19140, 20016, 20155, 20880, 22935, 22968, 24186, 24464, 25020, 25520, 27522, 28710, 30580, 32248, 33360, 36279, 36696, 38280, 40310, 44341, 45870, 45936, 48372, 50040, 55044, 57420, 60465, 61160, 64496, 68805, 72558, 73392, 76560, 80620, 88682, 91740, 96744, 100080, 110088, 114840, 120930, 122320, 133023, 137610, 145116, 161240, 177364, 181395, 183480, 193488, 220176, 221705, 229680, 241860, 266046, 275220, 290232, 322480, 354728, 362790, 366960, 399069, 443410, 483720, 532092, 550440, 580464, 665115, 709456, 725580, 798138, 886820, 967440, 1064184, 1100880, 1330230, 1451160, 1596276, 1773640, 1995345, 2128368, 2660460, 2902320, 3192552, 3547280, 3990690, 5320920, 6385104, 7981380, 10641840, 15962760, 31925520]

約数ペア:

[(1, 31925520), (2, 15962760), (3, 10641840), (4, 7981380), (5, 6385104), (6, 5320920), (8, 3990690), (9, 3547280), (10, 3192552), (11, 2902320), (12, 2660460), (15, 2128368), (16, 1995345), (18, 1773640), (20, 1596276), (22, 1451160), (24, 1330230), (29, 1100880), (30, 1064184), (33, 967440), (36, 886820), (40, 798138), (44, 725580), (45, 709456), (48, 665115), (55, 580464), (58, 550440), (60, 532092), (66, 483720), (72, 443410), (80, 399069), (87, 366960), (88, 362790), (90, 354728), (99, 322480), (110, 290232), (116, 275220), (120, 266046), (132, 241860), (139, 229680), (144, 221705), (145, 220176), (165, 193488), (174, 183480), (176, 181395), (180, 177364), (198, 161240), (220, 145116), (232, 137610), (240, 133023), (261, 122320), (264, 120930), (278, 114840), (290, 110088), (319, 100080), (330, 96744), (348, 91740), (360, 88682), (396, 80620), (417, 76560), (435, 73392), (440, 72558), (464, 68805), (495, 64496), (522, 61160), (528, 60465), (556, 57420), (580, 55044), (638, 50040), (660, 48372), (695, 45936), (696, 45870), (720, 44341), (792, 40310), (834, 38280), (870, 36696), (880, 36279), (957, 33360), (990, 32248), (1044, 30580), (1112, 28710), (1160, 27522), (1251, 25520), (1276, 25020), (1305, 24464), (1320, 24186), (1390, 22968), (1392, 22935), (1529, 20880), (1584, 20155), (1595, 20016), (1668, 19140), (1740, 18348), (1914, 16680), (1980, 16124), (2085, 15312), (2088, 15290), (2224, 14355), (2320, 13761), (2502, 12760), (2552, 12510), (2610, 12232), (2640, 12093), (2780, 11484), (2871, 11120), (3058, 10440), (3190, 10008), (3336, 9570), (3480, 9174), (3828, 8340), (3960, 8062), (4031, 7920), (4170, 7656), (4176, 7645), (4587, 6960), (4785, 6672), (5004, 6380), (5104, 6255), (5220, 6116), (5560, 5742)]