166787440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 404616960

約数和(自身を除く): 237829520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 248, 310, 436, 496, 545, 617, 620, 872, 1090, 1234, 1240, 1744, 2180, 2468, 2480, 3085, 3379, 4360, 4936, 6170, 6758, 8720, 9872, 12340, 13516, 16895, 19127, 24680, 27032, 33790, 38254, 49360, 54064, 67253, 67580, 76508, 95635, 134506, 135160, 153016, 191270, 269012, 270320, 306032, 336265, 382540, 538024, 672530, 765080, 1076048, 1345060, 1530160, 2084843, 2690120, 4169686, 5380240, 8339372, 10424215, 16678744, 20848430, 33357488, 41696860, 83393720, 166787440]

約数ペア:

[(1, 166787440), (2, 83393720), (4, 41696860), (5, 33357488), (8, 20848430), (10, 16678744), (16, 10424215), (20, 8339372), (31, 5380240), (40, 4169686), (62, 2690120), (80, 2084843), (109, 1530160), (124, 1345060), (155, 1076048), (218, 765080), (248, 672530), (310, 538024), (436, 382540), (496, 336265), (545, 306032), (617, 270320), (620, 269012), (872, 191270), (1090, 153016), (1234, 135160), (1240, 134506), (1744, 95635), (2180, 76508), (2468, 67580), (2480, 67253), (3085, 54064), (3379, 49360), (4360, 38254), (4936, 33790), (6170, 27032), (6758, 24680), (8720, 19127), (9872, 16895), (12340, 13516)]