1000787840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3251}}^1$

素因数の和:3320

約数の個数: 128

約数和(自身を含む): 2646997920

約数和(自身を除く): 1646210080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 481, 520, 592, 640, 740, 832, 962, 1040, 1184, 1480, 1664, 1924, 2080, 2368, 2405, 2960, 3251, 3848, 4160, 4736, 4810, 5920, 6502, 7696, 8320, 9620, 11840, 13004, 15392, 16255, 19240, 23680, 26008, 30784, 32510, 38480, 42263, 52016, 61568, 65020, 76960, 84526, 104032, 120287, 130040, 153920, 169052, 208064, 211315, 240574, 260080, 307840, 338104, 416128, 422630, 481148, 520160, 601435, 676208, 845260, 962296, 1040320, 1202870, 1352416, 1563731, 1690520, 1924592, 2080640, 2405740, 2704832, 3127462, 3381040, 3849184, 4811480, 5409664, 6254924, 6762080, 7698368, 7818655, 9622960, 12509848, 13524160, 15396736, 15637310, 19245920, 25019696, 27048320, 31274620, 38491840, 50039392, 62549240, 76983680, 100078784, 125098480, 200157568, 250196960, 500393920, 1000787840]

約数ペア:

[(1, 1000787840), (2, 500393920), (4, 250196960), (5, 200157568), (8, 125098480), (10, 100078784), (13, 76983680), (16, 62549240), (20, 50039392), (26, 38491840), (32, 31274620), (37, 27048320), (40, 25019696), (52, 19245920), (64, 15637310), (65, 15396736), (74, 13524160), (80, 12509848), (104, 9622960), (128, 7818655), (130, 7698368), (148, 6762080), (160, 6254924), (185, 5409664), (208, 4811480), (260, 3849184), (296, 3381040), (320, 3127462), (370, 2704832), (416, 2405740), (481, 2080640), (520, 1924592), (592, 1690520), (640, 1563731), (740, 1352416), (832, 1202870), (962, 1040320), (1040, 962296), (1184, 845260), (1480, 676208), (1664, 601435), (1924, 520160), (2080, 481148), (2368, 422630), (2405, 416128), (2960, 338104), (3251, 307840), (3848, 260080), (4160, 240574), (4736, 211315), (4810, 208064), (5920, 169052), (6502, 153920), (7696, 130040), (8320, 120287), (9620, 104032), (11840, 84526), (13004, 76960), (15392, 65020), (16255, 61568), (19240, 52016), (23680, 42263), (26008, 38480), (30784, 32510)]