123427980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52747}}^1$

素因数の和:52775

約数の個数: 72

約数和(自身を含む): 403205712

約数和(自身を除く): 279777732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 52747, 105494, 158241, 210988, 263735, 316482, 474723, 527470, 632964, 685711, 791205, 949446, 1054940, 1371422, 1582410, 1898892, 2057133, 2373615, 2742844, 3164820, 3428555, 4114266, 4747230, 6171399, 6857110, 8228532, 9494460, 10285665, 12342798, 13714220, 20571330, 24685596, 30856995, 41142660, 61713990, 123427980]

約数ペア:

[(1, 123427980), (2, 61713990), (3, 41142660), (4, 30856995), (5, 24685596), (6, 20571330), (9, 13714220), (10, 12342798), (12, 10285665), (13, 9494460), (15, 8228532), (18, 6857110), (20, 6171399), (26, 4747230), (30, 4114266), (36, 3428555), (39, 3164820), (45, 2742844), (52, 2373615), (60, 2057133), (65, 1898892), (78, 1582410), (90, 1371422), (117, 1054940), (130, 949446), (156, 791205), (180, 685711), (195, 632964), (234, 527470), (260, 474723), (390, 316482), (468, 263735), (585, 210988), (780, 158241), (1170, 105494), (2340, 52747)]