1487980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 3457440

約数和(自身を除く): 1969460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 97, 118, 130, 194, 236, 260, 295, 388, 485, 590, 767, 970, 1180, 1261, 1534, 1940, 2522, 3068, 3835, 5044, 5723, 6305, 7670, 11446, 12610, 15340, 22892, 25220, 28615, 57230, 74399, 114460, 148798, 297596, 371995, 743990, 1487980]

約数ペア:

[(1, 1487980), (2, 743990), (4, 371995), (5, 297596), (10, 148798), (13, 114460), (20, 74399), (26, 57230), (52, 28615), (59, 25220), (65, 22892), (97, 15340), (118, 12610), (130, 11446), (194, 7670), (236, 6305), (260, 5723), (295, 5044), (388, 3835), (485, 3068), (590, 2522), (767, 1940), (970, 1534), (1180, 1261)]