1648890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 4561920

約数和(自身を除く): 2913030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 197, 270, 279, 310, 394, 465, 558, 591, 837, 930, 985, 1182, 1395, 1674, 1773, 1970, 2790, 2955, 3546, 4185, 5319, 5910, 6107, 8370, 8865, 10638, 12214, 17730, 18321, 26595, 30535, 36642, 53190, 54963, 61070, 91605, 109926, 164889, 183210, 274815, 329778, 549630, 824445, 1648890]

約数ペア:

[(1, 1648890), (2, 824445), (3, 549630), (5, 329778), (6, 274815), (9, 183210), (10, 164889), (15, 109926), (18, 91605), (27, 61070), (30, 54963), (31, 53190), (45, 36642), (54, 30535), (62, 26595), (90, 18321), (93, 17730), (135, 12214), (155, 10638), (186, 8865), (197, 8370), (270, 6107), (279, 5910), (310, 5319), (394, 4185), (465, 3546), (558, 2955), (591, 2790), (837, 1970), (930, 1773), (985, 1674), (1182, 1395)]