655122880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120427}}^1$

素因数の和:120461

約数の個数: 56

約数和(自身を含む): 1651790448

約数和(自身を除く): 996667568

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, 120427, 240854, 481708, 602135, 963416, 1204270, 1926832, 2047259, 2408540, 3853664, 4094518, 4817080, 7707328, 8189036, 9634160, 10236295, 16378072, 19268320, 20472590, 32756144, 38536640, 40945180, 65512288, 81890360, 131024576, 163780720, 327561440, 655122880]

約数ペア:

[(1, 655122880), (2, 327561440), (4, 163780720), (5, 131024576), (8, 81890360), (10, 65512288), (16, 40945180), (17, 38536640), (20, 32756144), (32, 20472590), (34, 19268320), (40, 16378072), (64, 10236295), (68, 9634160), (80, 8189036), (85, 7707328), (136, 4817080), (160, 4094518), (170, 3853664), (272, 2408540), (320, 2047259), (340, 1926832), (544, 1204270), (680, 963416), (1088, 602135), (1360, 481708), (2720, 240854), (5440, 120427)]