2489266920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{28771}}^1$

素因数の和:28895

約数の個数: 128

約数和(自身を含む): 8617789440

約数和(自身を除く): 6128522520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 721, 824, 840, 1030, 1236, 1442, 1545, 2060, 2163, 2472, 2884, 3090, 3605, 4120, 4326, 5768, 6180, 7210, 8652, 10815, 12360, 14420, 17304, 21630, 28771, 28840, 43260, 57542, 86313, 86520, 115084, 143855, 172626, 201397, 230168, 287710, 345252, 402794, 431565, 575420, 604191, 690504, 805588, 863130, 1006985, 1150840, 1208382, 1611176, 1726260, 2013970, 2416764, 2963413, 3020955, 3452520, 4027940, 4833528, 5926826, 6041910, 8055880, 8890239, 11853652, 12083820, 14817065, 17780478, 20743891, 23707304, 24167640, 29634130, 35560956, 41487782, 44451195, 59268260, 62231673, 71121912, 82975564, 88902390, 103719455, 118536520, 124463346, 165951128, 177804780, 207438910, 248926692, 311158365, 355609560, 414877820, 497853384, 622316730, 829755640, 1244633460, 2489266920]

約数ペア:

[(1, 2489266920), (2, 1244633460), (3, 829755640), (4, 622316730), (5, 497853384), (6, 414877820), (7, 355609560), (8, 311158365), (10, 248926692), (12, 207438910), (14, 177804780), (15, 165951128), (20, 124463346), (21, 118536520), (24, 103719455), (28, 88902390), (30, 82975564), (35, 71121912), (40, 62231673), (42, 59268260), (56, 44451195), (60, 41487782), (70, 35560956), (84, 29634130), (103, 24167640), (105, 23707304), (120, 20743891), (140, 17780478), (168, 14817065), (206, 12083820), (210, 11853652), (280, 8890239), (309, 8055880), (412, 6041910), (420, 5926826), (515, 4833528), (618, 4027940), (721, 3452520), (824, 3020955), (840, 2963413), (1030, 2416764), (1236, 2013970), (1442, 1726260), (1545, 1611176), (2060, 1208382), (2163, 1150840), (2472, 1006985), (2884, 863130), (3090, 805588), (3605, 690504), (4120, 604191), (4326, 575420), (5768, 431565), (6180, 402794), (7210, 345252), (8652, 287710), (10815, 230168), (12360, 201397), (14420, 172626), (17304, 143855), (21630, 115084), (28771, 86520), (28840, 86313), (43260, 57542)]