641141520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4091}}^1$

素因数の和:4760

約数の個数: 80

約数和(自身を含む): 1991068992

約数和(自身を除く): 1349927472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 653, 1306, 1959, 2612, 3265, 3918, 4091, 5224, 6530, 7836, 8182, 9795, 10448, 12273, 13060, 15672, 16364, 19590, 20455, 24546, 26120, 31344, 32728, 39180, 40910, 49092, 52240, 61365, 65456, 78360, 81820, 98184, 122730, 156720, 163640, 196368, 245460, 327280, 490920, 981840, 2671423, 5342846, 8014269, 10685692, 13357115, 16028538, 21371384, 26714230, 32057076, 40071345, 42742768, 53428460, 64114152, 80142690, 106856920, 128228304, 160285380, 213713840, 320570760, 641141520]

約数ペア:

[(1, 641141520), (2, 320570760), (3, 213713840), (4, 160285380), (5, 128228304), (6, 106856920), (8, 80142690), (10, 64114152), (12, 53428460), (15, 42742768), (16, 40071345), (20, 32057076), (24, 26714230), (30, 21371384), (40, 16028538), (48, 13357115), (60, 10685692), (80, 8014269), (120, 5342846), (240, 2671423), (653, 981840), (1306, 490920), (1959, 327280), (2612, 245460), (3265, 196368), (3918, 163640), (4091, 156720), (5224, 122730), (6530, 98184), (7836, 81820), (8182, 78360), (9795, 65456), (10448, 61365), (12273, 52240), (13060, 49092), (15672, 40910), (16364, 39180), (19590, 32728), (20455, 31344), (24546, 26120)]