30123940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 81543168

約数和(自身を除く): 51419228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 631, 682, 770, 868, 1085, 1262, 1364, 1540, 1705, 2170, 2387, 2524, 3155, 3410, 4340, 4417, 4774, 6310, 6820, 6941, 8834, 9548, 11935, 12620, 13882, 17668, 19561, 22085, 23870, 27764, 34705, 39122, 44170, 47740, 48587, 69410, 78244, 88340, 97174, 97805, 136927, 138820, 194348, 195610, 215171, 242935, 273854, 391220, 430342, 485870, 547708, 684635, 860684, 971740, 1075855, 1369270, 1506197, 2151710, 2738540, 3012394, 4303420, 6024788, 7530985, 15061970, 30123940]

約数ペア:

[(1, 30123940), (2, 15061970), (4, 7530985), (5, 6024788), (7, 4303420), (10, 3012394), (11, 2738540), (14, 2151710), (20, 1506197), (22, 1369270), (28, 1075855), (31, 971740), (35, 860684), (44, 684635), (55, 547708), (62, 485870), (70, 430342), (77, 391220), (110, 273854), (124, 242935), (140, 215171), (154, 195610), (155, 194348), (217, 138820), (220, 136927), (308, 97805), (310, 97174), (341, 88340), (385, 78244), (434, 69410), (620, 48587), (631, 47740), (682, 44170), (770, 39122), (868, 34705), (1085, 27764), (1262, 23870), (1364, 22085), (1540, 19561), (1705, 17668), (2170, 13882), (2387, 12620), (2524, 11935), (3155, 9548), (3410, 8834), (4340, 6941), (4417, 6820), (4774, 6310)]