31691400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 112492800

約数和(自身を除く): 80801400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 25, 26, 30, 34, 39, 40, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 104, 120, 130, 136, 150, 156, 170, 195, 200, 204, 221, 239, 255, 260, 300, 312, 325, 340, 390, 408, 425, 442, 478, 510, 520, 600, 650, 663, 680, 717, 780, 850, 884, 956, 975, 1020, 1105, 1195, 1275, 1300, 1326, 1434, 1560, 1700, 1768, 1912, 1950, 2040, 2210, 2390, 2550, 2600, 2652, 2868, 3107, 3315, 3400, 3585, 3900, 4063, 4420, 4780, 5100, 5304, 5525, 5736, 5975, 6214, 6630, 7170, 7800, 8126, 8840, 9321, 9560, 10200, 11050, 11950, 12189, 12428, 13260, 14340, 15535, 16252, 16575, 17925, 18642, 20315, 22100, 23900, 24378, 24856, 26520, 28680, 31070, 32504, 33150, 35850, 37284, 40630, 44200, 46605, 47800, 48756, 52819, 60945, 62140, 66300, 71700, 74568, 77675, 81260, 93210, 97512, 101575, 105638, 121890, 124280, 132600, 143400, 155350, 158457, 162520, 186420, 203150, 211276, 233025, 243780, 264095, 304725, 310700, 316914, 372840, 406300, 422552, 466050, 487560, 528190, 609450, 621400, 633828, 792285, 812600, 932100, 1056380, 1218900, 1267656, 1320475, 1584570, 1864200, 2112760, 2437800, 2640950, 3169140, 3961425, 5281900, 6338280, 7922850, 10563800, 15845700, 31691400]

約数ペア:

[(1, 31691400), (2, 15845700), (3, 10563800), (4, 7922850), (5, 6338280), (6, 5281900), (8, 3961425), (10, 3169140), (12, 2640950), (13, 2437800), (15, 2112760), (17, 1864200), (20, 1584570), (24, 1320475), (25, 1267656), (26, 1218900), (30, 1056380), (34, 932100), (39, 812600), (40, 792285), (50, 633828), (51, 621400), (52, 609450), (60, 528190), (65, 487560), (68, 466050), (75, 422552), (78, 406300), (85, 372840), (100, 316914), (102, 310700), (104, 304725), (120, 264095), (130, 243780), (136, 233025), (150, 211276), (156, 203150), (170, 186420), (195, 162520), (200, 158457), (204, 155350), (221, 143400), (239, 132600), (255, 124280), (260, 121890), (300, 105638), (312, 101575), (325, 97512), (340, 93210), (390, 81260), (408, 77675), (425, 74568), (442, 71700), (478, 66300), (510, 62140), (520, 60945), (600, 52819), (650, 48756), (663, 47800), (680, 46605), (717, 44200), (780, 40630), (850, 37284), (884, 35850), (956, 33150), (975, 32504), (1020, 31070), (1105, 28680), (1195, 26520), (1275, 24856), (1300, 24378), (1326, 23900), (1434, 22100), (1560, 20315), (1700, 18642), (1768, 17925), (1912, 16575), (1950, 16252), (2040, 15535), (2210, 14340), (2390, 13260), (2550, 12428), (2600, 12189), (2652, 11950), (2868, 11050), (3107, 10200), (3315, 9560), (3400, 9321), (3585, 8840), (3900, 8126), (4063, 7800), (4420, 7170), (4780, 6630), (5100, 6214), (5304, 5975), (5525, 5736)]