129064780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 307077120

約数和(自身を除く): 178012340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 67, 124, 130, 134, 155, 239, 260, 268, 310, 335, 403, 478, 620, 670, 806, 871, 956, 1195, 1340, 1612, 1742, 2015, 2077, 2390, 3107, 3484, 4030, 4154, 4355, 4780, 6214, 7409, 8060, 8308, 8710, 10385, 12428, 14818, 15535, 16013, 17420, 20770, 27001, 29636, 31070, 32026, 37045, 41540, 54002, 62140, 64052, 74090, 80065, 96317, 108004, 135005, 148180, 160130, 192634, 208169, 270010, 320260, 385268, 416338, 481585, 496403, 540020, 832676, 963170, 992806, 1040845, 1926340, 1985612, 2081690, 2482015, 4163380, 4964030, 6453239, 9928060, 12906478, 25812956, 32266195, 64532390, 129064780]

約数ペア:

[(1, 129064780), (2, 64532390), (4, 32266195), (5, 25812956), (10, 12906478), (13, 9928060), (20, 6453239), (26, 4964030), (31, 4163380), (52, 2482015), (62, 2081690), (65, 1985612), (67, 1926340), (124, 1040845), (130, 992806), (134, 963170), (155, 832676), (239, 540020), (260, 496403), (268, 481585), (310, 416338), (335, 385268), (403, 320260), (478, 270010), (620, 208169), (670, 192634), (806, 160130), (871, 148180), (956, 135005), (1195, 108004), (1340, 96317), (1612, 80065), (1742, 74090), (2015, 64052), (2077, 62140), (2390, 54002), (3107, 41540), (3484, 37045), (4030, 32026), (4154, 31070), (4355, 29636), (4780, 27001), (6214, 20770), (7409, 17420), (8060, 16013), (8308, 15535), (8710, 14818), (10385, 12428)]