1283952640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:983

約数の個数: 104

約数和(自身を含む): 3128044608

約数和(自身を除く): 1844091968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 883, 1024, 1136, 1280, 1420, 1766, 2048, 2272, 2560, 2840, 3532, 4096, 4415, 4544, 5120, 5680, 7064, 8830, 9088, 10240, 11360, 14128, 17660, 18176, 20480, 22720, 28256, 35320, 36352, 45440, 56512, 62693, 70640, 72704, 90880, 113024, 125386, 141280, 145408, 181760, 226048, 250772, 282560, 290816, 313465, 363520, 452096, 501544, 565120, 626930, 727040, 904192, 1003088, 1130240, 1253860, 1454080, 1808384, 2006176, 2260480, 2507720, 3616768, 4012352, 4520960, 5015440, 8024704, 9041920, 10030880, 16049408, 18083840, 20061760, 32098816, 40123520, 64197632, 80247040, 128395264, 160494080, 256790528, 320988160, 641976320, 1283952640]

約数ペア:

[(1, 1283952640), (2, 641976320), (4, 320988160), (5, 256790528), (8, 160494080), (10, 128395264), (16, 80247040), (20, 64197632), (32, 40123520), (40, 32098816), (64, 20061760), (71, 18083840), (80, 16049408), (128, 10030880), (142, 9041920), (160, 8024704), (256, 5015440), (284, 4520960), (320, 4012352), (355, 3616768), (512, 2507720), (568, 2260480), (640, 2006176), (710, 1808384), (883, 1454080), (1024, 1253860), (1136, 1130240), (1280, 1003088), (1420, 904192), (1766, 727040), (2048, 626930), (2272, 565120), (2560, 501544), (2840, 452096), (3532, 363520), (4096, 313465), (4415, 290816), (4544, 282560), (5120, 250772), (5680, 226048), (7064, 181760), (8830, 145408), (9088, 141280), (10240, 125386), (11360, 113024), (14128, 90880), (17660, 72704), (18176, 70640), (20480, 62693), (22720, 56512), (28256, 45440), (35320, 36352)]