123770340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15991}}^1$

素因数の和:16049

約数の個数: 72

約数和(自身を含む): 384191808

約数和(自身を除く): 260421468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 15991, 31982, 47973, 63964, 79955, 95946, 143919, 159910, 191892, 239865, 287838, 319820, 479730, 575676, 687613, 719595, 959460, 1375226, 1439190, 2062839, 2750452, 2878380, 3438065, 4125678, 6188517, 6876130, 8251356, 10314195, 12377034, 13752260, 20628390, 24754068, 30942585, 41256780, 61885170, 123770340]

約数ペア:

[(1, 123770340), (2, 61885170), (3, 41256780), (4, 30942585), (5, 24754068), (6, 20628390), (9, 13752260), (10, 12377034), (12, 10314195), (15, 8251356), (18, 6876130), (20, 6188517), (30, 4125678), (36, 3438065), (43, 2878380), (45, 2750452), (60, 2062839), (86, 1439190), (90, 1375226), (129, 959460), (172, 719595), (180, 687613), (215, 575676), (258, 479730), (387, 319820), (430, 287838), (516, 239865), (645, 191892), (774, 159910), (860, 143919), (1290, 95946), (1548, 79955), (1935, 63964), (2580, 47973), (3870, 31982), (7740, 15991)]