30931620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 93434880

約数和(自身を除く): 62503260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 380, 430, 516, 570, 631, 645, 817, 860, 1140, 1262, 1290, 1634, 1893, 2451, 2524, 2580, 3155, 3268, 3786, 4085, 4902, 6310, 7572, 8170, 9465, 9804, 11989, 12255, 12620, 16340, 18930, 23978, 24510, 27133, 35967, 37860, 47956, 49020, 54266, 59945, 71934, 81399, 108532, 119890, 135665, 143868, 162798, 179835, 239780, 271330, 325596, 359670, 406995, 515527, 542660, 719340, 813990, 1031054, 1546581, 1627980, 2062108, 2577635, 3093162, 5155270, 6186324, 7732905, 10310540, 15465810, 30931620]

約数ペア:

[(1, 30931620), (2, 15465810), (3, 10310540), (4, 7732905), (5, 6186324), (6, 5155270), (10, 3093162), (12, 2577635), (15, 2062108), (19, 1627980), (20, 1546581), (30, 1031054), (38, 813990), (43, 719340), (57, 542660), (60, 515527), (76, 406995), (86, 359670), (95, 325596), (114, 271330), (129, 239780), (172, 179835), (190, 162798), (215, 143868), (228, 135665), (258, 119890), (285, 108532), (380, 81399), (430, 71934), (516, 59945), (570, 54266), (631, 49020), (645, 47956), (817, 37860), (860, 35967), (1140, 27133), (1262, 24510), (1290, 23978), (1634, 18930), (1893, 16340), (2451, 12620), (2524, 12255), (2580, 11989), (3155, 9804), (3268, 9465), (3786, 8170), (4085, 7572), (4902, 6310)]