17801630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 40711680

約数和(自身を除く): 22910050

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 61, 70, 77, 110, 122, 154, 305, 379, 385, 427, 610, 671, 758, 770, 854, 1342, 1895, 2135, 2653, 3355, 3790, 4169, 4270, 4697, 5306, 6710, 8338, 9394, 13265, 20845, 23119, 23485, 26530, 29183, 41690, 46238, 46970, 58366, 115595, 145915, 161833, 231190, 254309, 291830, 323666, 508618, 809165, 1271545, 1618330, 1780163, 2543090, 3560326, 8900815, 17801630]

約数ペア:

[(1, 17801630), (2, 8900815), (5, 3560326), (7, 2543090), (10, 1780163), (11, 1618330), (14, 1271545), (22, 809165), (35, 508618), (55, 323666), (61, 291830), (70, 254309), (77, 231190), (110, 161833), (122, 145915), (154, 115595), (305, 58366), (379, 46970), (385, 46238), (427, 41690), (610, 29183), (671, 26530), (758, 23485), (770, 23119), (854, 20845), (1342, 13265), (1895, 9394), (2135, 8338), (2653, 6710), (3355, 5306), (3790, 4697), (4169, 4270)]