15135440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 38568960

約数和(自身を除く): 23433520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 359, 496, 527, 620, 680, 718, 1054, 1240, 1360, 1436, 1795, 2108, 2480, 2635, 2872, 3590, 4216, 5270, 5744, 6103, 7180, 8432, 10540, 11129, 12206, 14360, 21080, 22258, 24412, 28720, 30515, 42160, 44516, 48824, 55645, 61030, 89032, 97648, 111290, 122060, 178064, 189193, 222580, 244120, 378386, 445160, 488240, 756772, 890320, 945965, 1513544, 1891930, 3027088, 3783860, 7567720, 15135440]

約数ペア:

[(1, 15135440), (2, 7567720), (4, 3783860), (5, 3027088), (8, 1891930), (10, 1513544), (16, 945965), (17, 890320), (20, 756772), (31, 488240), (34, 445160), (40, 378386), (62, 244120), (68, 222580), (80, 189193), (85, 178064), (124, 122060), (136, 111290), (155, 97648), (170, 89032), (248, 61030), (272, 55645), (310, 48824), (340, 44516), (359, 42160), (496, 30515), (527, 28720), (620, 24412), (680, 22258), (718, 21080), (1054, 14360), (1240, 12206), (1360, 11129), (1436, 10540), (1795, 8432), (2108, 7180), (2480, 6103), (2635, 5744), (2872, 5270), (3590, 4216)]