139271560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 321030720

約数和(自身を除く): 181759160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 157, 268, 314, 331, 335, 536, 628, 662, 670, 785, 1256, 1324, 1340, 1570, 1655, 2648, 2680, 3140, 3310, 6280, 6620, 10519, 13240, 21038, 22177, 42076, 44354, 51967, 52595, 84152, 88708, 103934, 105190, 110885, 177416, 207868, 210380, 221770, 259835, 415736, 420760, 443540, 519670, 887080, 1039340, 2078680, 3481789, 6963578, 13927156, 17408945, 27854312, 34817890, 69635780, 139271560]

約数ペア:

[(1, 139271560), (2, 69635780), (4, 34817890), (5, 27854312), (8, 17408945), (10, 13927156), (20, 6963578), (40, 3481789), (67, 2078680), (134, 1039340), (157, 887080), (268, 519670), (314, 443540), (331, 420760), (335, 415736), (536, 259835), (628, 221770), (662, 210380), (670, 207868), (785, 177416), (1256, 110885), (1324, 105190), (1340, 103934), (1570, 88708), (1655, 84152), (2648, 52595), (2680, 51967), (3140, 44354), (3310, 42076), (6280, 22177), (6620, 21038), (10519, 13240)]