647010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 2096640

約数和(自身を除く): 1449630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 79, 90, 91, 105, 117, 126, 130, 158, 182, 195, 210, 234, 237, 273, 315, 390, 395, 455, 474, 546, 553, 585, 630, 711, 790, 819, 910, 1027, 1106, 1170, 1185, 1365, 1422, 1638, 1659, 2054, 2370, 2730, 2765, 3081, 3318, 3555, 4095, 4977, 5135, 5530, 6162, 7110, 7189, 8190, 8295, 9243, 9954, 10270, 14378, 15405, 16590, 18486, 21567, 24885, 30810, 35945, 43134, 46215, 49770, 64701, 71890, 92430, 107835, 129402, 215670, 323505, 647010]

約数ペア:

[(1, 647010), (2, 323505), (3, 215670), (5, 129402), (6, 107835), (7, 92430), (9, 71890), (10, 64701), (13, 49770), (14, 46215), (15, 43134), (18, 35945), (21, 30810), (26, 24885), (30, 21567), (35, 18486), (39, 16590), (42, 15405), (45, 14378), (63, 10270), (65, 9954), (70, 9243), (78, 8295), (79, 8190), (90, 7189), (91, 7110), (105, 6162), (117, 5530), (126, 5135), (130, 4977), (158, 4095), (182, 3555), (195, 3318), (210, 3081), (234, 2765), (237, 2730), (273, 2370), (315, 2054), (390, 1659), (395, 1638), (455, 1422), (474, 1365), (546, 1185), (553, 1170), (585, 1106), (630, 1027), (711, 910), (790, 819)]