820380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 2547216

約数和(自身を除く): 1726836

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 113, 121, 132, 165, 220, 226, 242, 330, 339, 363, 452, 484, 565, 605, 660, 678, 726, 1130, 1210, 1243, 1356, 1452, 1695, 1815, 2260, 2420, 2486, 3390, 3630, 3729, 4972, 6215, 6780, 7260, 7458, 12430, 13673, 14916, 18645, 24860, 27346, 37290, 41019, 54692, 68365, 74580, 82038, 136730, 164076, 205095, 273460, 410190, 820380]

約数ペア:

[(1, 820380), (2, 410190), (3, 273460), (4, 205095), (5, 164076), (6, 136730), (10, 82038), (11, 74580), (12, 68365), (15, 54692), (20, 41019), (22, 37290), (30, 27346), (33, 24860), (44, 18645), (55, 14916), (60, 13673), (66, 12430), (110, 7458), (113, 7260), (121, 6780), (132, 6215), (165, 4972), (220, 3729), (226, 3630), (242, 3390), (330, 2486), (339, 2420), (363, 2260), (452, 1815), (484, 1695), (565, 1452), (605, 1356), (660, 1243), (678, 1210), (726, 1130)]