1286171320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{55343}}^1$

素因数の和:55444

約数の個数: 64

約数和(自身を含む): 3347205120

約数和(自身を除く): 2061033800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 4648, 5810, 11620, 23240, 55343, 110686, 221372, 276715, 387401, 442744, 553430, 774802, 1106860, 1549604, 1937005, 2213720, 3099208, 3874010, 4593469, 7748020, 9186938, 15496040, 18373876, 22967345, 32154283, 36747752, 45934690, 64308566, 91869380, 128617132, 160771415, 183738760, 257234264, 321542830, 643085660, 1286171320]

約数ペア:

[(1, 1286171320), (2, 643085660), (4, 321542830), (5, 257234264), (7, 183738760), (8, 160771415), (10, 128617132), (14, 91869380), (20, 64308566), (28, 45934690), (35, 36747752), (40, 32154283), (56, 22967345), (70, 18373876), (83, 15496040), (140, 9186938), (166, 7748020), (280, 4593469), (332, 3874010), (415, 3099208), (581, 2213720), (664, 1937005), (830, 1549604), (1162, 1106860), (1660, 774802), (2324, 553430), (2905, 442744), (3320, 387401), (4648, 276715), (5810, 221372), (11620, 110686), (23240, 55343)]