202020180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6449

約数の個数: 96

約数和(自身を含む): 618347520

約数和(自身を除く): 416327340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 930, 1020, 1054, 1581, 1860, 2108, 2635, 3162, 5270, 6324, 6389, 7905, 10540, 12778, 15810, 19167, 25556, 31620, 31945, 38334, 63890, 76668, 95835, 108613, 127780, 191670, 198059, 217226, 325839, 383340, 396118, 434452, 543065, 594177, 651678, 792236, 990295, 1086130, 1188354, 1303356, 1629195, 1980590, 2172260, 2376708, 2970885, 3258390, 3367003, 3961180, 5941770, 6516780, 6734006, 10101009, 11883540, 13468012, 16835015, 20202018, 33670030, 40404036, 50505045, 67340060, 101010090, 202020180]

約数ペア:

[(1, 202020180), (2, 101010090), (3, 67340060), (4, 50505045), (5, 40404036), (6, 33670030), (10, 20202018), (12, 16835015), (15, 13468012), (17, 11883540), (20, 10101009), (30, 6734006), (31, 6516780), (34, 5941770), (51, 3961180), (60, 3367003), (62, 3258390), (68, 2970885), (85, 2376708), (93, 2172260), (102, 1980590), (124, 1629195), (155, 1303356), (170, 1188354), (186, 1086130), (204, 990295), (255, 792236), (310, 651678), (340, 594177), (372, 543065), (465, 434452), (510, 396118), (527, 383340), (620, 325839), (930, 217226), (1020, 198059), (1054, 191670), (1581, 127780), (1860, 108613), (2108, 95835), (2635, 76668), (3162, 63890), (5270, 38334), (6324, 31945), (6389, 31620), (7905, 25556), (10540, 19167), (12778, 15810)]