640561584

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 1839882240

約数和(自身を除く): 1199320656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 59, 78, 104, 118, 127, 137, 156, 177, 208, 236, 254, 274, 312, 354, 381, 411, 472, 508, 548, 624, 708, 762, 767, 822, 944, 1016, 1096, 1416, 1524, 1534, 1644, 1651, 1781, 2032, 2192, 2301, 2832, 3048, 3068, 3288, 3302, 3562, 4602, 4953, 5343, 6096, 6136, 6576, 6604, 7124, 7493, 8083, 9204, 9906, 10686, 12272, 13208, 14248, 14986, 16166, 17399, 18408, 19812, 21372, 22479, 24249, 26416, 28496, 29972, 32332, 34798, 36816, 39624, 42744, 44958, 48498, 52197, 59944, 64664, 69596, 79248, 85488, 89916, 96996, 97409, 104394, 105079, 119888, 129328, 139192, 179832, 193992, 194818, 208788, 210158, 226187, 278384, 292227, 315237, 359664, 387984, 389636, 417576, 420316, 452374, 584454, 630474, 678561, 779272, 835152, 840632, 904748, 1026541, 1168908, 1260948, 1357122, 1558544, 1681264, 1809496, 2053082, 2337816, 2521896, 2714244, 3079623, 3618992, 4106164, 4675632, 5043792, 5428488, 6159246, 8212328, 10856976, 12318492, 13345033, 16424656, 24636984, 26690066, 40035099, 49273968, 53380132, 80070198, 106760264, 160140396, 213520528, 320280792, 640561584]

約数ペア:

[(1, 640561584), (2, 320280792), (3, 213520528), (4, 160140396), (6, 106760264), (8, 80070198), (12, 53380132), (13, 49273968), (16, 40035099), (24, 26690066), (26, 24636984), (39, 16424656), (48, 13345033), (52, 12318492), (59, 10856976), (78, 8212328), (104, 6159246), (118, 5428488), (127, 5043792), (137, 4675632), (156, 4106164), (177, 3618992), (208, 3079623), (236, 2714244), (254, 2521896), (274, 2337816), (312, 2053082), (354, 1809496), (381, 1681264), (411, 1558544), (472, 1357122), (508, 1260948), (548, 1168908), (624, 1026541), (708, 904748), (762, 840632), (767, 835152), (822, 779272), (944, 678561), (1016, 630474), (1096, 584454), (1416, 452374), (1524, 420316), (1534, 417576), (1644, 389636), (1651, 387984), (1781, 359664), (2032, 315237), (2192, 292227), (2301, 278384), (2832, 226187), (3048, 210158), (3068, 208788), (3288, 194818), (3302, 193992), (3562, 179832), (4602, 139192), (4953, 129328), (5343, 119888), (6096, 105079), (6136, 104394), (6576, 97409), (6604, 96996), (7124, 89916), (7493, 85488), (8083, 79248), (9204, 69596), (9906, 64664), (10686, 59944), (12272, 52197), (13208, 48498), (14248, 44958), (14986, 42744), (16166, 39624), (17399, 36816), (18408, 34798), (19812, 32332), (21372, 29972), (22479, 28496), (24249, 26416)]