68385560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 107870440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 67, 68, 76, 79, 85, 95, 134, 136, 152, 158, 170, 190, 268, 316, 323, 335, 340, 380, 395, 536, 632, 646, 670, 680, 760, 790, 1139, 1273, 1292, 1340, 1343, 1501, 1580, 1615, 2278, 2546, 2584, 2680, 2686, 3002, 3160, 3230, 4556, 5092, 5293, 5372, 5695, 6004, 6365, 6460, 6715, 7505, 9112, 10184, 10586, 10744, 11390, 12008, 12730, 12920, 13430, 15010, 21172, 21641, 22780, 25460, 25517, 26465, 26860, 30020, 42344, 43282, 45560, 50920, 51034, 52930, 53720, 60040, 86564, 89981, 100567, 102068, 105860, 108205, 127585, 173128, 179962, 201134, 204136, 211720, 216410, 255170, 359924, 402268, 432820, 449905, 502835, 510340, 719848, 804536, 865640, 899810, 1005670, 1020680, 1709639, 1799620, 2011340, 3419278, 3599240, 4022680, 6838556, 8548195, 13677112, 17096390, 34192780, 68385560]

約数ペア:

[(1, 68385560), (2, 34192780), (4, 17096390), (5, 13677112), (8, 8548195), (10, 6838556), (17, 4022680), (19, 3599240), (20, 3419278), (34, 2011340), (38, 1799620), (40, 1709639), (67, 1020680), (68, 1005670), (76, 899810), (79, 865640), (85, 804536), (95, 719848), (134, 510340), (136, 502835), (152, 449905), (158, 432820), (170, 402268), (190, 359924), (268, 255170), (316, 216410), (323, 211720), (335, 204136), (340, 201134), (380, 179962), (395, 173128), (536, 127585), (632, 108205), (646, 105860), (670, 102068), (680, 100567), (760, 89981), (790, 86564), (1139, 60040), (1273, 53720), (1292, 52930), (1340, 51034), (1343, 50920), (1501, 45560), (1580, 43282), (1615, 42344), (2278, 30020), (2546, 26860), (2584, 26465), (2680, 25517), (2686, 25460), (3002, 22780), (3160, 21641), (3230, 21172), (4556, 15010), (5092, 13430), (5293, 12920), (5372, 12730), (5695, 12008), (6004, 11390), (6365, 10744), (6460, 10586), (6715, 10184), (7505, 9112)]