645970320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1109}}^1$

素因数の和:1937

約数の個数: 120

約数和(自身を含む): 2174023800

約数和(自身を除く): 1528053480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 809, 1109, 1618, 2218, 2427, 3236, 3327, 4045, 4436, 4854, 5545, 6472, 6654, 7281, 8090, 8872, 9708, 9981, 11090, 12135, 12944, 13308, 14562, 16180, 16635, 17744, 19416, 19962, 22180, 24270, 26616, 29124, 32360, 33270, 36405, 38832, 39924, 44360, 48540, 49905, 53232, 58248, 64720, 66540, 72810, 79848, 88720, 97080, 99810, 116496, 133080, 145620, 159696, 194160, 199620, 266160, 291240, 399240, 582480, 798480, 897181, 1794362, 2691543, 3588724, 4485905, 5383086, 7177448, 8074629, 8971810, 10766172, 13457715, 14354896, 16149258, 17943620, 21532344, 26915430, 32298516, 35887240, 40373145, 43064688, 53830860, 64597032, 71774480, 80746290, 107661720, 129194064, 161492580, 215323440, 322985160, 645970320]

約数ペア:

[(1, 645970320), (2, 322985160), (3, 215323440), (4, 161492580), (5, 129194064), (6, 107661720), (8, 80746290), (9, 71774480), (10, 64597032), (12, 53830860), (15, 43064688), (16, 40373145), (18, 35887240), (20, 32298516), (24, 26915430), (30, 21532344), (36, 17943620), (40, 16149258), (45, 14354896), (48, 13457715), (60, 10766172), (72, 8971810), (80, 8074629), (90, 7177448), (120, 5383086), (144, 4485905), (180, 3588724), (240, 2691543), (360, 1794362), (720, 897181), (809, 798480), (1109, 582480), (1618, 399240), (2218, 291240), (2427, 266160), (3236, 199620), (3327, 194160), (4045, 159696), (4436, 145620), (4854, 133080), (5545, 116496), (6472, 99810), (6654, 97080), (7281, 88720), (8090, 79848), (8872, 72810), (9708, 66540), (9981, 64720), (11090, 58248), (12135, 53232), (12944, 49905), (13308, 48540), (14562, 44360), (16180, 39924), (16635, 38832), (17744, 36405), (19416, 33270), (19962, 32360), (22180, 29124), (24270, 26616)]