320974890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 837568512

約数和(自身を除く): 516593622

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 53, 67, 69, 106, 115, 131, 134, 138, 159, 201, 230, 262, 265, 318, 335, 345, 393, 402, 530, 655, 670, 690, 786, 795, 1005, 1219, 1310, 1541, 1590, 1965, 2010, 2438, 3013, 3082, 3551, 3657, 3930, 4623, 6026, 6095, 6943, 7102, 7314, 7705, 8777, 9039, 9246, 10653, 12190, 13886, 15065, 15410, 17554, 17755, 18078, 18285, 20829, 21306, 23115, 26331, 30130, 34715, 35510, 36570, 41658, 43885, 45195, 46230, 52662, 53265, 69430, 81673, 87770, 90390, 104145, 106530, 131655, 159689, 163346, 201871, 208290, 245019, 263310, 319378, 403742, 408365, 465181, 479067, 490038, 605613, 798445, 816730, 930362, 958134, 1009355, 1211226, 1225095, 1395543, 1596890, 2018710, 2325905, 2395335, 2450190, 2791086, 3028065, 4651810, 4790670, 6056130, 6977715, 10699163, 13955430, 21398326, 32097489, 53495815, 64194978, 106991630, 160487445, 320974890]

約数ペア:

[(1, 320974890), (2, 160487445), (3, 106991630), (5, 64194978), (6, 53495815), (10, 32097489), (15, 21398326), (23, 13955430), (30, 10699163), (46, 6977715), (53, 6056130), (67, 4790670), (69, 4651810), (106, 3028065), (115, 2791086), (131, 2450190), (134, 2395335), (138, 2325905), (159, 2018710), (201, 1596890), (230, 1395543), (262, 1225095), (265, 1211226), (318, 1009355), (335, 958134), (345, 930362), (393, 816730), (402, 798445), (530, 605613), (655, 490038), (670, 479067), (690, 465181), (786, 408365), (795, 403742), (1005, 319378), (1219, 263310), (1310, 245019), (1541, 208290), (1590, 201871), (1965, 163346), (2010, 159689), (2438, 131655), (3013, 106530), (3082, 104145), (3551, 90390), (3657, 87770), (3930, 81673), (4623, 69430), (6026, 53265), (6095, 52662), (6943, 46230), (7102, 45195), (7314, 43885), (7705, 41658), (8777, 36570), (9039, 35510), (9246, 34715), (10653, 30130), (12190, 26331), (13886, 23115), (15065, 21306), (15410, 20829), (17554, 18285), (17755, 18078)]