154397360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4789}}^1$

素因数の和:4846

約数の個数: 80

約数和(自身を含む): 399141120

約数和(自身を除く): 244743760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4789, 6448, 8060, 9578, 16120, 19156, 23945, 32240, 38312, 47890, 62257, 76624, 95780, 124514, 148459, 191560, 249028, 296918, 311285, 383120, 498056, 593836, 622570, 742295, 996112, 1187672, 1245140, 1484590, 1929967, 2375344, 2490280, 2969180, 3859934, 4980560, 5938360, 7719868, 9649835, 11876720, 15439736, 19299670, 30879472, 38599340, 77198680, 154397360]

約数ペア:

[(1, 154397360), (2, 77198680), (4, 38599340), (5, 30879472), (8, 19299670), (10, 15439736), (13, 11876720), (16, 9649835), (20, 7719868), (26, 5938360), (31, 4980560), (40, 3859934), (52, 2969180), (62, 2490280), (65, 2375344), (80, 1929967), (104, 1484590), (124, 1245140), (130, 1187672), (155, 996112), (208, 742295), (248, 622570), (260, 593836), (310, 498056), (403, 383120), (496, 311285), (520, 296918), (620, 249028), (806, 191560), (1040, 148459), (1240, 124514), (1612, 95780), (2015, 76624), (2480, 62257), (3224, 47890), (4030, 38312), (4789, 32240), (6448, 23945), (8060, 19156), (9578, 16120)]