30691240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 72783360

約数和(自身を除く): 42092120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 467, 530, 620, 934, 1060, 1240, 1643, 1868, 2120, 2335, 3286, 3736, 4670, 6572, 8215, 9340, 13144, 14477, 16430, 18680, 24751, 28954, 32860, 49502, 57908, 65720, 72385, 99004, 115816, 123755, 144770, 198008, 247510, 289540, 495020, 579080, 767281, 990040, 1534562, 3069124, 3836405, 6138248, 7672810, 15345620, 30691240]

約数ペア:

[(1, 30691240), (2, 15345620), (4, 7672810), (5, 6138248), (8, 3836405), (10, 3069124), (20, 1534562), (31, 990040), (40, 767281), (53, 579080), (62, 495020), (106, 289540), (124, 247510), (155, 198008), (212, 144770), (248, 123755), (265, 115816), (310, 99004), (424, 72385), (467, 65720), (530, 57908), (620, 49502), (934, 32860), (1060, 28954), (1240, 24751), (1643, 18680), (1868, 16430), (2120, 14477), (2335, 13144), (3286, 9340), (3736, 8215), (4670, 6572)]