171801420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21529}}^1$

素因数の和:21567

約数の個数: 96

約数和(自身を含む): 578726400

約数和(自身を除く): 406924980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 21529, 43058, 64587, 86116, 107645, 129174, 150703, 215290, 258348, 301406, 322935, 409051, 430580, 452109, 602812, 645870, 753515, 818102, 904218, 1227153, 1291740, 1507030, 1636204, 1808436, 2045255, 2260545, 2454306, 2863357, 3014060, 4090510, 4521090, 4908612, 5726714, 6135765, 8181020, 8590071, 9042180, 11453428, 12271530, 14316785, 17180142, 24543060, 28633570, 34360284, 42950355, 57267140, 85900710, 171801420]

約数ペア:

[(1, 171801420), (2, 85900710), (3, 57267140), (4, 42950355), (5, 34360284), (6, 28633570), (7, 24543060), (10, 17180142), (12, 14316785), (14, 12271530), (15, 11453428), (19, 9042180), (20, 8590071), (21, 8181020), (28, 6135765), (30, 5726714), (35, 4908612), (38, 4521090), (42, 4090510), (57, 3014060), (60, 2863357), (70, 2454306), (76, 2260545), (84, 2045255), (95, 1808436), (105, 1636204), (114, 1507030), (133, 1291740), (140, 1227153), (190, 904218), (210, 818102), (228, 753515), (266, 645870), (285, 602812), (380, 452109), (399, 430580), (420, 409051), (532, 322935), (570, 301406), (665, 258348), (798, 215290), (1140, 150703), (1330, 129174), (1596, 107645), (1995, 86116), (2660, 64587), (3990, 43058), (7980, 21529)]