2487440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 6428160

約数和(自身を除く): 3940720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 59, 62, 68, 80, 85, 118, 124, 136, 155, 170, 236, 248, 272, 295, 310, 340, 472, 496, 527, 590, 620, 680, 944, 1003, 1054, 1180, 1240, 1360, 1829, 2006, 2108, 2360, 2480, 2635, 3658, 4012, 4216, 4720, 5015, 5270, 7316, 8024, 8432, 9145, 10030, 10540, 14632, 16048, 18290, 20060, 21080, 29264, 31093, 36580, 40120, 42160, 62186, 73160, 80240, 124372, 146320, 155465, 248744, 310930, 497488, 621860, 1243720, 2487440]

約数ペア:

[(1, 2487440), (2, 1243720), (4, 621860), (5, 497488), (8, 310930), (10, 248744), (16, 155465), (17, 146320), (20, 124372), (31, 80240), (34, 73160), (40, 62186), (59, 42160), (62, 40120), (68, 36580), (80, 31093), (85, 29264), (118, 21080), (124, 20060), (136, 18290), (155, 16048), (170, 14632), (236, 10540), (248, 10030), (272, 9145), (295, 8432), (310, 8024), (340, 7316), (472, 5270), (496, 5015), (527, 4720), (590, 4216), (620, 4012), (680, 3658), (944, 2635), (1003, 2480), (1054, 2360), (1180, 2108), (1240, 2006), (1360, 1829)]