84984640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:720

約数の個数: 112

約数和(自身を含む): 225308160

約数和(自身を除く): 140323520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 659, 806, 832, 992, 1040, 1240, 1318, 1612, 1984, 2015, 2080, 2480, 2636, 3224, 3295, 4030, 4160, 4960, 5272, 6448, 6590, 8060, 8567, 9920, 10544, 12896, 13180, 16120, 17134, 20429, 21088, 25792, 26360, 32240, 34268, 40858, 42176, 42835, 52720, 64480, 68536, 81716, 85670, 102145, 105440, 128960, 137072, 163432, 171340, 204290, 210880, 265577, 274144, 326864, 342680, 408580, 531154, 548288, 653728, 685360, 817160, 1062308, 1307456, 1327885, 1370720, 1634320, 2124616, 2655770, 2741440, 3268640, 4249232, 5311540, 6537280, 8498464, 10623080, 16996928, 21246160, 42492320, 84984640]

約数ペア:

[(1, 84984640), (2, 42492320), (4, 21246160), (5, 16996928), (8, 10623080), (10, 8498464), (13, 6537280), (16, 5311540), (20, 4249232), (26, 3268640), (31, 2741440), (32, 2655770), (40, 2124616), (52, 1634320), (62, 1370720), (64, 1327885), (65, 1307456), (80, 1062308), (104, 817160), (124, 685360), (130, 653728), (155, 548288), (160, 531154), (208, 408580), (248, 342680), (260, 326864), (310, 274144), (320, 265577), (403, 210880), (416, 204290), (496, 171340), (520, 163432), (620, 137072), (659, 128960), (806, 105440), (832, 102145), (992, 85670), (1040, 81716), (1240, 68536), (1318, 64480), (1612, 52720), (1984, 42835), (2015, 42176), (2080, 40858), (2480, 34268), (2636, 32240), (3224, 26360), (3295, 25792), (4030, 21088), (4160, 20429), (4960, 17134), (5272, 16120), (6448, 13180), (6590, 12896), (8060, 10544), (8567, 9920)]