447930

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{79}}^1$

素因数の和:105

約数の個数: 80

約数和(自身を含む): 1393920

約数和(自身を除く): 945990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 79, 81, 90, 105, 126, 135, 158, 162, 189, 210, 237, 270, 315, 378, 395, 405, 474, 553, 567, 630, 711, 790, 810, 945, 1106, 1134, 1185, 1422, 1659, 1890, 2133, 2370, 2765, 2835, 3318, 3555, 4266, 4977, 5530, 5670, 6399, 7110, 8295, 9954, 10665, 12798, 14931, 16590, 21330, 24885, 29862, 31995, 44793, 49770, 63990, 74655, 89586, 149310, 223965, 447930]

約数ペア:

[(1, 447930), (2, 223965), (3, 149310), (5, 89586), (6, 74655), (7, 63990), (9, 49770), (10, 44793), (14, 31995), (15, 29862), (18, 24885), (21, 21330), (27, 16590), (30, 14931), (35, 12798), (42, 10665), (45, 9954), (54, 8295), (63, 7110), (70, 6399), (79, 5670), (81, 5530), (90, 4977), (105, 4266), (126, 3555), (135, 3318), (158, 2835), (162, 2765), (189, 2370), (210, 2133), (237, 1890), (270, 1659), (315, 1422), (378, 1185), (395, 1134), (405, 1106), (474, 945), (553, 810), (567, 790), (630, 711)]