678930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 1928448

約数和(自身を除く): 1249518

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 61, 70, 105, 106, 122, 159, 183, 210, 265, 305, 318, 366, 371, 427, 530, 610, 742, 795, 854, 915, 1113, 1281, 1590, 1830, 1855, 2135, 2226, 2562, 3233, 3710, 4270, 5565, 6405, 6466, 9699, 11130, 12810, 16165, 19398, 22631, 32330, 45262, 48495, 67893, 96990, 113155, 135786, 226310, 339465, 678930]

約数ペア:

[(1, 678930), (2, 339465), (3, 226310), (5, 135786), (6, 113155), (7, 96990), (10, 67893), (14, 48495), (15, 45262), (21, 32330), (30, 22631), (35, 19398), (42, 16165), (53, 12810), (61, 11130), (70, 9699), (105, 6466), (106, 6405), (122, 5565), (159, 4270), (183, 3710), (210, 3233), (265, 2562), (305, 2226), (318, 2135), (366, 1855), (371, 1830), (427, 1590), (530, 1281), (610, 1113), (742, 915), (795, 854)]