81483810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2219

約数の個数: 64

約数和(自身を含む): 206889984

約数和(自身を除く): 125406174

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 82, 93, 123, 155, 186, 205, 246, 310, 410, 465, 615, 930, 1230, 1271, 2137, 2542, 3813, 4274, 6355, 6411, 7626, 10685, 12710, 12822, 19065, 21370, 32055, 38130, 64110, 66247, 87617, 132494, 175234, 198741, 262851, 331235, 397482, 438085, 525702, 662470, 876170, 993705, 1314255, 1987410, 2628510, 2716127, 5432254, 8148381, 13580635, 16296762, 27161270, 40741905, 81483810]

約数ペア:

[(1, 81483810), (2, 40741905), (3, 27161270), (5, 16296762), (6, 13580635), (10, 8148381), (15, 5432254), (30, 2716127), (31, 2628510), (41, 1987410), (62, 1314255), (82, 993705), (93, 876170), (123, 662470), (155, 525702), (186, 438085), (205, 397482), (246, 331235), (310, 262851), (410, 198741), (465, 175234), (615, 132494), (930, 87617), (1230, 66247), (1271, 64110), (2137, 38130), (2542, 32055), (3813, 21370), (4274, 19065), (6355, 12822), (6411, 12710), (7626, 10685)]