827781760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2689}}^1$

素因数の和:2758

約数の個数: 128

約数和(自身を含む): 2189552400

約数和(自身を除く): 1361770640

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, 2689, 2960, 3848, 4160, 4736, 4810, 5378, 5920, 7696, 8320, 9620, 10756, 11840, 13445, 15392, 19240, 21512, 23680, 26890, 30784, 34957, 38480, 43024, 53780, 61568, 69914, 76960, 86048, 99493, 107560, 139828, 153920, 172096, 174785, 198986, 215120, 279656, 307840, 344192, 349570, 397972, 430240, 497465, 559312, 699140, 795944, 860480, 994930, 1118624, 1293409, 1398280, 1591888, 1720960, 1989860, 2237248, 2586818, 2796560, 3183776, 3979720, 4474496, 5173636, 5593120, 6367552, 6467045, 7959440, 10347272, 11186240, 12735104, 12934090, 15918880, 20694544, 22372480, 25868180, 31837760, 41389088, 51736360, 63675520, 82778176, 103472720, 165556352, 206945440, 413890880, 827781760]

約数ペア:

[(1, 827781760), (2, 413890880), (4, 206945440), (5, 165556352), (8, 103472720), (10, 82778176), (13, 63675520), (16, 51736360), (20, 41389088), (26, 31837760), (32, 25868180), (37, 22372480), (40, 20694544), (52, 15918880), (64, 12934090), (65, 12735104), (74, 11186240), (80, 10347272), (104, 7959440), (128, 6467045), (130, 6367552), (148, 5593120), (160, 5173636), (185, 4474496), (208, 3979720), (260, 3183776), (296, 2796560), (320, 2586818), (370, 2237248), (416, 1989860), (481, 1720960), (520, 1591888), (592, 1398280), (640, 1293409), (740, 1118624), (832, 994930), (962, 860480), (1040, 795944), (1184, 699140), (1480, 559312), (1664, 497465), (1924, 430240), (2080, 397972), (2368, 349570), (2405, 344192), (2689, 307840), (2960, 279656), (3848, 215120), (4160, 198986), (4736, 174785), (4810, 172096), (5378, 153920), (5920, 139828), (7696, 107560), (8320, 99493), (9620, 86048), (10756, 76960), (11840, 69914), (13445, 61568), (15392, 53780), (19240, 43024), (21512, 38480), (23680, 34957), (26890, 30784)]