30727800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 105860040

約数和(自身を除く): 75132240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 129, 150, 172, 180, 200, 215, 225, 258, 300, 344, 360, 387, 397, 430, 450, 516, 600, 645, 774, 794, 860, 900, 1032, 1075, 1191, 1290, 1548, 1588, 1720, 1800, 1935, 1985, 2150, 2382, 2580, 3096, 3176, 3225, 3573, 3870, 3970, 4300, 4764, 5160, 5955, 6450, 7146, 7740, 7940, 8600, 9528, 9675, 9925, 11910, 12900, 14292, 15480, 15880, 17071, 17865, 19350, 19850, 23820, 25800, 28584, 29775, 34142, 35730, 38700, 39700, 47640, 51213, 59550, 68284, 71460, 77400, 79400, 85355, 89325, 102426, 119100, 136568, 142920, 153639, 170710, 178650, 204852, 238200, 256065, 307278, 341420, 357300, 409704, 426775, 512130, 614556, 682840, 714600, 768195, 853550, 1024260, 1229112, 1280325, 1536390, 1707100, 2048520, 2560650, 3072780, 3414200, 3840975, 5121300, 6145560, 7681950, 10242600, 15363900, 30727800]

約数ペア:

[(1, 30727800), (2, 15363900), (3, 10242600), (4, 7681950), (5, 6145560), (6, 5121300), (8, 3840975), (9, 3414200), (10, 3072780), (12, 2560650), (15, 2048520), (18, 1707100), (20, 1536390), (24, 1280325), (25, 1229112), (30, 1024260), (36, 853550), (40, 768195), (43, 714600), (45, 682840), (50, 614556), (60, 512130), (72, 426775), (75, 409704), (86, 357300), (90, 341420), (100, 307278), (120, 256065), (129, 238200), (150, 204852), (172, 178650), (180, 170710), (200, 153639), (215, 142920), (225, 136568), (258, 119100), (300, 102426), (344, 89325), (360, 85355), (387, 79400), (397, 77400), (430, 71460), (450, 68284), (516, 59550), (600, 51213), (645, 47640), (774, 39700), (794, 38700), (860, 35730), (900, 34142), (1032, 29775), (1075, 28584), (1191, 25800), (1290, 23820), (1548, 19850), (1588, 19350), (1720, 17865), (1800, 17071), (1935, 15880), (1985, 15480), (2150, 14292), (2382, 12900), (2580, 11910), (3096, 9925), (3176, 9675), (3225, 9528), (3573, 8600), (3870, 7940), (3970, 7740), (4300, 7146), (4764, 6450), (5160, 5955)]