2015779240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{28979}}^1$

素因数の和:29074

約数の個数: 64

約数和(自身を含む): 4757356800

約数和(自身を除く): 2741577560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1480, 1739, 1880, 3478, 6956, 8695, 13912, 17390, 28979, 34780, 57958, 69560, 115916, 144895, 231832, 289790, 579580, 1072223, 1159160, 1362013, 2144446, 2724026, 4288892, 5361115, 5448052, 6810065, 8577784, 10722230, 10896104, 13620130, 21444460, 27240260, 42888920, 50394481, 54480520, 100788962, 201577924, 251972405, 403155848, 503944810, 1007889620, 2015779240]

約数ペア:

[(1, 2015779240), (2, 1007889620), (4, 503944810), (5, 403155848), (8, 251972405), (10, 201577924), (20, 100788962), (37, 54480520), (40, 50394481), (47, 42888920), (74, 27240260), (94, 21444460), (148, 13620130), (185, 10896104), (188, 10722230), (235, 8577784), (296, 6810065), (370, 5448052), (376, 5361115), (470, 4288892), (740, 2724026), (940, 2144446), (1480, 1362013), (1739, 1159160), (1880, 1072223), (3478, 579580), (6956, 289790), (8695, 231832), (13912, 144895), (17390, 115916), (28979, 69560), (34780, 57958)]