1280454960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18461}}^1$

素因数の和:18511

約数の個数: 120

約数和(自身を含む): 4216868496

約数和(自身を除く): 2936413536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 510, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1734, 2040, 2312, 2890, 3468, 4080, 4335, 4624, 5780, 6936, 8670, 11560, 13872, 17340, 18461, 23120, 34680, 36922, 55383, 69360, 73844, 92305, 110766, 147688, 184610, 221532, 276915, 295376, 313837, 369220, 443064, 553830, 627674, 738440, 886128, 941511, 1107660, 1255348, 1476880, 1569185, 1883022, 2215320, 2510696, 3138370, 3766044, 4430640, 4707555, 5021392, 5335229, 6276740, 7532088, 9415110, 10670458, 12553480, 15064176, 16005687, 18830220, 21340916, 25106960, 26676145, 32011374, 37660440, 42681832, 53352290, 64022748, 75320880, 80028435, 85363664, 106704580, 128045496, 160056870, 213409160, 256090992, 320113740, 426818320, 640227480, 1280454960]

約数ペア:

[(1, 1280454960), (2, 640227480), (3, 426818320), (4, 320113740), (5, 256090992), (6, 213409160), (8, 160056870), (10, 128045496), (12, 106704580), (15, 85363664), (16, 80028435), (17, 75320880), (20, 64022748), (24, 53352290), (30, 42681832), (34, 37660440), (40, 32011374), (48, 26676145), (51, 25106960), (60, 21340916), (68, 18830220), (80, 16005687), (85, 15064176), (102, 12553480), (120, 10670458), (136, 9415110), (170, 7532088), (204, 6276740), (240, 5335229), (255, 5021392), (272, 4707555), (289, 4430640), (340, 3766044), (408, 3138370), (510, 2510696), (578, 2215320), (680, 1883022), (816, 1569185), (867, 1476880), (1020, 1255348), (1156, 1107660), (1360, 941511), (1445, 886128), (1734, 738440), (2040, 627674), (2312, 553830), (2890, 443064), (3468, 369220), (4080, 313837), (4335, 295376), (4624, 276915), (5780, 221532), (6936, 184610), (8670, 147688), (11560, 110766), (13872, 92305), (17340, 73844), (18461, 69360), (23120, 55383), (34680, 36922)]