399853920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6359}}^1$

素因数の和:6508

約数の個数: 96

約数和(自身を含む): 1269354240

約数和(自身を除く): 869500320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4192, 5240, 6288, 6359, 7860, 10480, 12576, 12718, 15720, 19077, 20960, 25436, 31440, 31795, 38154, 50872, 62880, 63590, 76308, 95385, 101744, 127180, 152616, 190770, 203488, 254360, 305232, 381540, 508720, 610464, 763080, 833029, 1017440, 1526160, 1666058, 2499087, 3052320, 3332116, 4165145, 4998174, 6664232, 8330290, 9996348, 12495435, 13328464, 16660580, 19992696, 24990870, 26656928, 33321160, 39985392, 49981740, 66642320, 79970784, 99963480, 133284640, 199926960, 399853920]

約数ペア:

[(1, 399853920), (2, 199926960), (3, 133284640), (4, 99963480), (5, 79970784), (6, 66642320), (8, 49981740), (10, 39985392), (12, 33321160), (15, 26656928), (16, 24990870), (20, 19992696), (24, 16660580), (30, 13328464), (32, 12495435), (40, 9996348), (48, 8330290), (60, 6664232), (80, 4998174), (96, 4165145), (120, 3332116), (131, 3052320), (160, 2499087), (240, 1666058), (262, 1526160), (393, 1017440), (480, 833029), (524, 763080), (655, 610464), (786, 508720), (1048, 381540), (1310, 305232), (1572, 254360), (1965, 203488), (2096, 190770), (2620, 152616), (3144, 127180), (3930, 101744), (4192, 95385), (5240, 76308), (6288, 63590), (6359, 62880), (7860, 50872), (10480, 38154), (12576, 31795), (12718, 31440), (15720, 25436), (19077, 20960)]