72747920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3511}}^1$

素因数の和:3568

約数の個数: 80

約数和(自身を含む): 198582528

約数和(自身を除く): 125834608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 3511, 4144, 5180, 7022, 10360, 14044, 17555, 20720, 24577, 28088, 35110, 49154, 56176, 70220, 98308, 122885, 129907, 140440, 196616, 245770, 259814, 280880, 393232, 491540, 519628, 649535, 909349, 983080, 1039256, 1299070, 1818698, 1966160, 2078512, 2598140, 3637396, 4546745, 5196280, 7274792, 9093490, 10392560, 14549584, 18186980, 36373960, 72747920]

約数ペア:

[(1, 72747920), (2, 36373960), (4, 18186980), (5, 14549584), (7, 10392560), (8, 9093490), (10, 7274792), (14, 5196280), (16, 4546745), (20, 3637396), (28, 2598140), (35, 2078512), (37, 1966160), (40, 1818698), (56, 1299070), (70, 1039256), (74, 983080), (80, 909349), (112, 649535), (140, 519628), (148, 491540), (185, 393232), (259, 280880), (280, 259814), (296, 245770), (370, 196616), (518, 140440), (560, 129907), (592, 122885), (740, 98308), (1036, 70220), (1295, 56176), (1480, 49154), (2072, 35110), (2590, 28088), (2960, 24577), (3511, 20720), (4144, 17555), (5180, 14044), (7022, 10360)]