123145280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22637}}^1$

素因数の和:22671

約数の個数: 56

約数和(自身を含む): 310502808

約数和(自身を除く): 187357528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 22637, 45274, 90548, 113185, 181096, 226370, 362192, 384829, 452740, 724384, 769658, 905480, 1448768, 1539316, 1810960, 1924145, 3078632, 3621920, 3848290, 6157264, 7243840, 7696580, 12314528, 15393160, 24629056, 30786320, 61572640, 123145280]

約数ペア:

[(1, 123145280), (2, 61572640), (4, 30786320), (5, 24629056), (8, 15393160), (10, 12314528), (16, 7696580), (17, 7243840), (20, 6157264), (32, 3848290), (34, 3621920), (40, 3078632), (64, 1924145), (68, 1810960), (80, 1539316), (85, 1448768), (136, 905480), (160, 769658), (170, 724384), (272, 452740), (320, 384829), (340, 362192), (544, 226370), (680, 181096), (1088, 113185), (1360, 90548), (2720, 45274), (5440, 22637)]