61321720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2968

約数の個数: 64

約数和(自身を含む): 150854400

約数和(自身を除く): 89532680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 2909, 4216, 5270, 5818, 10540, 11636, 14545, 21080, 23272, 29090, 49453, 58180, 90179, 98906, 116360, 180358, 197812, 247265, 360716, 395624, 450895, 494530, 721432, 901790, 989060, 1533043, 1803580, 1978120, 3066086, 3607160, 6132172, 7665215, 12264344, 15330430, 30660860, 61321720]

約数ペア:

[(1, 61321720), (2, 30660860), (4, 15330430), (5, 12264344), (8, 7665215), (10, 6132172), (17, 3607160), (20, 3066086), (31, 1978120), (34, 1803580), (40, 1533043), (62, 989060), (68, 901790), (85, 721432), (124, 494530), (136, 450895), (155, 395624), (170, 360716), (248, 247265), (310, 197812), (340, 180358), (527, 116360), (620, 98906), (680, 90179), (1054, 58180), (1240, 49453), (2108, 29090), (2635, 23272), (2909, 21080), (4216, 14545), (5270, 11636), (5818, 10540)]