19765805520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2225879}}^1$

素因数の和:2225932

約数の個数: 80

約数和(自身を含む): 62930079360

約数和(自身を除く): 43164273840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 2225879, 4451758, 6677637, 8903516, 11129395, 13355274, 17807032, 22258790, 26710548, 33388185, 35614064, 44517580, 53421096, 66776370, 82357523, 89035160, 106842192, 133552740, 164715046, 178070320, 247072569, 267105480, 329430092, 411787615, 494145138, 534210960, 658860184, 823575230, 988290276, 1235362845, 1317720368, 1647150460, 1976580552, 2470725690, 3294300920, 3953161104, 4941451380, 6588601840, 9882902760, 19765805520]

約数ペア:

[(1, 19765805520), (2, 9882902760), (3, 6588601840), (4, 4941451380), (5, 3953161104), (6, 3294300920), (8, 2470725690), (10, 1976580552), (12, 1647150460), (15, 1317720368), (16, 1235362845), (20, 988290276), (24, 823575230), (30, 658860184), (37, 534210960), (40, 494145138), (48, 411787615), (60, 329430092), (74, 267105480), (80, 247072569), (111, 178070320), (120, 164715046), (148, 133552740), (185, 106842192), (222, 89035160), (240, 82357523), (296, 66776370), (370, 53421096), (444, 44517580), (555, 35614064), (592, 33388185), (740, 26710548), (888, 22258790), (1110, 17807032), (1480, 13355274), (1776, 11129395), (2220, 8903516), (2960, 6677637), (4440, 4451758), (8880, 2225879)]