190819980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81547}}^1$

素因数の和:81575

約数の個数: 72

約数和(自身を含む): 623352912

約数和(自身を除く): 432532932

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, 81547, 163094, 244641, 326188, 407735, 489282, 733923, 815470, 978564, 1060111, 1223205, 1467846, 1630940, 2120222, 2446410, 2935692, 3180333, 3669615, 4240444, 4892820, 5300555, 6360666, 7339230, 9540999, 10601110, 12721332, 14678460, 15901665, 19081998, 21202220, 31803330, 38163996, 47704995, 63606660, 95409990, 190819980]

約数ペア:

[(1, 190819980), (2, 95409990), (3, 63606660), (4, 47704995), (5, 38163996), (6, 31803330), (9, 21202220), (10, 19081998), (12, 15901665), (13, 14678460), (15, 12721332), (18, 10601110), (20, 9540999), (26, 7339230), (30, 6360666), (36, 5300555), (39, 4892820), (45, 4240444), (52, 3669615), (60, 3180333), (65, 2935692), (78, 2446410), (90, 2120222), (117, 1630940), (130, 1467846), (156, 1223205), (180, 1060111), (195, 978564), (234, 815470), (260, 733923), (390, 489282), (468, 407735), (585, 326188), (780, 244641), (1170, 163094), (2340, 81547)]