31100400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 180

約数和(自身を含む): 110638008

約数和(自身を除く): 79537608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 53, 60, 72, 75, 80, 90, 100, 106, 120, 144, 150, 159, 163, 180, 200, 212, 225, 240, 265, 300, 318, 326, 360, 400, 424, 450, 477, 489, 530, 600, 636, 652, 720, 795, 815, 848, 900, 954, 978, 1060, 1200, 1272, 1304, 1325, 1467, 1590, 1630, 1800, 1908, 1956, 2120, 2385, 2445, 2544, 2608, 2650, 2934, 3180, 3260, 3600, 3816, 3912, 3975, 4075, 4240, 4770, 4890, 5300, 5868, 6360, 6520, 7335, 7632, 7824, 7950, 8150, 8639, 9540, 9780, 10600, 11736, 11925, 12225, 12720, 13040, 14670, 15900, 16300, 17278, 19080, 19560, 21200, 23472, 23850, 24450, 25917, 29340, 31800, 32600, 34556, 36675, 38160, 39120, 43195, 47700, 48900, 51834, 58680, 63600, 65200, 69112, 73350, 77751, 86390, 95400, 97800, 103668, 117360, 129585, 138224, 146700, 155502, 172780, 190800, 195600, 207336, 215975, 259170, 293400, 311004, 345560, 388755, 414672, 431950, 518340, 586800, 622008, 647925, 691120, 777510, 863900, 1036680, 1244016, 1295850, 1555020, 1727800, 1943775, 2073360, 2591700, 3110040, 3455600, 3887550, 5183400, 6220080, 7775100, 10366800, 15550200, 31100400]

約数ペア:

[(1, 31100400), (2, 15550200), (3, 10366800), (4, 7775100), (5, 6220080), (6, 5183400), (8, 3887550), (9, 3455600), (10, 3110040), (12, 2591700), (15, 2073360), (16, 1943775), (18, 1727800), (20, 1555020), (24, 1295850), (25, 1244016), (30, 1036680), (36, 863900), (40, 777510), (45, 691120), (48, 647925), (50, 622008), (53, 586800), (60, 518340), (72, 431950), (75, 414672), (80, 388755), (90, 345560), (100, 311004), (106, 293400), (120, 259170), (144, 215975), (150, 207336), (159, 195600), (163, 190800), (180, 172780), (200, 155502), (212, 146700), (225, 138224), (240, 129585), (265, 117360), (300, 103668), (318, 97800), (326, 95400), (360, 86390), (400, 77751), (424, 73350), (450, 69112), (477, 65200), (489, 63600), (530, 58680), (600, 51834), (636, 48900), (652, 47700), (720, 43195), (795, 39120), (815, 38160), (848, 36675), (900, 34556), (954, 32600), (978, 31800), (1060, 29340), (1200, 25917), (1272, 24450), (1304, 23850), (1325, 23472), (1467, 21200), (1590, 19560), (1630, 19080), (1800, 17278), (1908, 16300), (1956, 15900), (2120, 14670), (2385, 13040), (2445, 12720), (2544, 12225), (2608, 11925), (2650, 11736), (2934, 10600), (3180, 9780), (3260, 9540), (3600, 8639), (3816, 8150), (3912, 7950), (3975, 7824), (4075, 7632), (4240, 7335), (4770, 6520), (4890, 6360), (5300, 5868)]