31023200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 86400720

約数和(自身を除く): 55377520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 157, 160, 190, 200, 208, 247, 260, 304, 314, 325, 380, 400, 416, 475, 494, 520, 608, 628, 650, 760, 785, 800, 950, 988, 1040, 1235, 1256, 1300, 1520, 1570, 1900, 1976, 2041, 2080, 2470, 2512, 2600, 2983, 3040, 3140, 3800, 3925, 3952, 4082, 4940, 5024, 5200, 5966, 6175, 6280, 7600, 7850, 7904, 8164, 9880, 10205, 10400, 11932, 12350, 12560, 14915, 15200, 15700, 16328, 19760, 20410, 23864, 24700, 25120, 29830, 31400, 32656, 38779, 39520, 40820, 47728, 49400, 51025, 59660, 62800, 65312, 74575, 77558, 81640, 95456, 98800, 102050, 119320, 125600, 149150, 155116, 163280, 193895, 197600, 204100, 238640, 298300, 310232, 326560, 387790, 408200, 477280, 596600, 620464, 775580, 816400, 969475, 1193200, 1240928, 1551160, 1632800, 1938950, 2386400, 3102320, 3877900, 6204640, 7755800, 15511600, 31023200]

約数ペア:

[(1, 31023200), (2, 15511600), (4, 7755800), (5, 6204640), (8, 3877900), (10, 3102320), (13, 2386400), (16, 1938950), (19, 1632800), (20, 1551160), (25, 1240928), (26, 1193200), (32, 969475), (38, 816400), (40, 775580), (50, 620464), (52, 596600), (65, 477280), (76, 408200), (80, 387790), (95, 326560), (100, 310232), (104, 298300), (130, 238640), (152, 204100), (157, 197600), (160, 193895), (190, 163280), (200, 155116), (208, 149150), (247, 125600), (260, 119320), (304, 102050), (314, 98800), (325, 95456), (380, 81640), (400, 77558), (416, 74575), (475, 65312), (494, 62800), (520, 59660), (608, 51025), (628, 49400), (650, 47728), (760, 40820), (785, 39520), (800, 38779), (950, 32656), (988, 31400), (1040, 29830), (1235, 25120), (1256, 24700), (1300, 23864), (1520, 20410), (1570, 19760), (1900, 16328), (1976, 15700), (2041, 15200), (2080, 14915), (2470, 12560), (2512, 12350), (2600, 11932), (2983, 10400), (3040, 10205), (3140, 9880), (3800, 8164), (3925, 7904), (3952, 7850), (4082, 7600), (4940, 6280), (5024, 6175), (5200, 5966)]