30954840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 108725760

約数和(自身を除く): 77770920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 857, 860, 903, 1032, 1204, 1290, 1505, 1714, 1720, 1806, 2408, 2571, 2580, 3010, 3428, 3612, 4285, 4515, 5142, 5160, 5999, 6020, 6856, 7224, 8570, 9030, 10284, 11998, 12040, 12855, 17140, 17997, 18060, 20568, 23996, 25710, 29995, 34280, 35994, 36120, 36851, 47992, 51420, 59990, 71988, 73702, 89985, 102840, 110553, 119980, 143976, 147404, 179970, 184255, 221106, 239960, 257957, 294808, 359940, 368510, 442212, 515914, 552765, 719880, 737020, 773871, 884424, 1031828, 1105530, 1289785, 1474040, 1547742, 2063656, 2211060, 2579570, 3095484, 3869355, 4422120, 5159140, 6190968, 7738710, 10318280, 15477420, 30954840]

約数ペア:

[(1, 30954840), (2, 15477420), (3, 10318280), (4, 7738710), (5, 6190968), (6, 5159140), (7, 4422120), (8, 3869355), (10, 3095484), (12, 2579570), (14, 2211060), (15, 2063656), (20, 1547742), (21, 1474040), (24, 1289785), (28, 1105530), (30, 1031828), (35, 884424), (40, 773871), (42, 737020), (43, 719880), (56, 552765), (60, 515914), (70, 442212), (84, 368510), (86, 359940), (105, 294808), (120, 257957), (129, 239960), (140, 221106), (168, 184255), (172, 179970), (210, 147404), (215, 143976), (258, 119980), (280, 110553), (301, 102840), (344, 89985), (420, 73702), (430, 71988), (516, 59990), (602, 51420), (645, 47992), (840, 36851), (857, 36120), (860, 35994), (903, 34280), (1032, 29995), (1204, 25710), (1290, 23996), (1505, 20568), (1714, 18060), (1720, 17997), (1806, 17140), (2408, 12855), (2571, 12040), (2580, 11998), (3010, 10284), (3428, 9030), (3612, 8570), (4285, 7224), (4515, 6856), (5142, 6020), (5160, 5999)]