165017960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1823}}^1$

素因数の和:1938

約数の個数: 64

約数和(自身を含む): 388730880

約数和(自身を除く): 223712920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 1240, 1460, 1823, 2263, 2920, 3646, 4526, 7292, 9052, 9115, 11315, 14584, 18104, 18230, 22630, 36460, 45260, 56513, 72920, 90520, 113026, 133079, 226052, 266158, 282565, 452104, 532316, 565130, 665395, 1064632, 1130260, 1330790, 2260520, 2661580, 4125449, 5323160, 8250898, 16501796, 20627245, 33003592, 41254490, 82508980, 165017960]

約数ペア:

[(1, 165017960), (2, 82508980), (4, 41254490), (5, 33003592), (8, 20627245), (10, 16501796), (20, 8250898), (31, 5323160), (40, 4125449), (62, 2661580), (73, 2260520), (124, 1330790), (146, 1130260), (155, 1064632), (248, 665395), (292, 565130), (310, 532316), (365, 452104), (584, 282565), (620, 266158), (730, 226052), (1240, 133079), (1460, 113026), (1823, 90520), (2263, 72920), (2920, 56513), (3646, 45260), (4526, 36460), (7292, 22630), (9052, 18230), (9115, 18104), (11315, 14584)]