165321520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22709}}^1$

素因数の和:22742

約数の個数: 80

約数和(自身を含む): 473094720

約数和(自身を除く): 307773200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 22709, 45418, 90836, 113545, 158963, 181672, 227090, 295217, 317926, 363344, 454180, 590434, 635852, 794815, 908360, 1180868, 1271704, 1476085, 1589630, 1816720, 2066519, 2361736, 2543408, 2952170, 3179260, 4133038, 4723472, 5904340, 6358520, 8266076, 10332595, 11808680, 12717040, 16532152, 20665190, 23617360, 33064304, 41330380, 82660760, 165321520]

約数ペア:

[(1, 165321520), (2, 82660760), (4, 41330380), (5, 33064304), (7, 23617360), (8, 20665190), (10, 16532152), (13, 12717040), (14, 11808680), (16, 10332595), (20, 8266076), (26, 6358520), (28, 5904340), (35, 4723472), (40, 4133038), (52, 3179260), (56, 2952170), (65, 2543408), (70, 2361736), (80, 2066519), (91, 1816720), (104, 1589630), (112, 1476085), (130, 1271704), (140, 1180868), (182, 908360), (208, 794815), (260, 635852), (280, 590434), (364, 454180), (455, 363344), (520, 317926), (560, 295217), (728, 227090), (910, 181672), (1040, 158963), (1456, 113545), (1820, 90836), (3640, 45418), (7280, 22709)]