1243720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 3110400

約数和(自身を除く): 1866680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 59, 62, 68, 85, 118, 124, 136, 155, 170, 236, 248, 295, 310, 340, 472, 527, 590, 620, 680, 1003, 1054, 1180, 1240, 1829, 2006, 2108, 2360, 2635, 3658, 4012, 4216, 5015, 5270, 7316, 8024, 9145, 10030, 10540, 14632, 18290, 20060, 21080, 31093, 36580, 40120, 62186, 73160, 124372, 155465, 248744, 310930, 621860, 1243720]

約数ペア:

[(1, 1243720), (2, 621860), (4, 310930), (5, 248744), (8, 155465), (10, 124372), (17, 73160), (20, 62186), (31, 40120), (34, 36580), (40, 31093), (59, 21080), (62, 20060), (68, 18290), (85, 14632), (118, 10540), (124, 10030), (136, 9145), (155, 8024), (170, 7316), (236, 5270), (248, 5015), (295, 4216), (310, 4012), (340, 3658), (472, 2635), (527, 2360), (590, 2108), (620, 2006), (680, 1829), (1003, 1240), (1054, 1180)]