646326648

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 256

約数和(自身を含む): 2096640000

約数和(自身を除く): 1450313352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 27, 33, 36, 38, 44, 54, 57, 66, 72, 76, 88, 99, 103, 108, 114, 132, 139, 152, 171, 198, 206, 209, 216, 228, 264, 278, 297, 309, 342, 396, 412, 417, 418, 456, 513, 556, 594, 618, 627, 684, 792, 824, 834, 836, 927, 1026, 1112, 1133, 1188, 1236, 1251, 1254, 1368, 1529, 1668, 1672, 1854, 1881, 1957, 2052, 2266, 2376, 2472, 2502, 2508, 2641, 2781, 3058, 3336, 3399, 3708, 3753, 3762, 3914, 4104, 4532, 4587, 5004, 5016, 5282, 5562, 5643, 5871, 6116, 6798, 7416, 7506, 7524, 7828, 7923, 9064, 9174, 10008, 10197, 10564, 11124, 11286, 11742, 12232, 13596, 13761, 14317, 15012, 15048, 15656, 15846, 17613, 18348, 20394, 21128, 21527, 22248, 22572, 23484, 23769, 27192, 27522, 28634, 29051, 30024, 30591, 31692, 35226, 36696, 40788, 41283, 42951, 43054, 45144, 46968, 47538, 52839, 55044, 57268, 58102, 61182, 63384, 64581, 70452, 71307, 81576, 82566, 85902, 86108, 87153, 95076, 105678, 110088, 114536, 116204, 122364, 128853, 129162, 140904, 142614, 157487, 165132, 171804, 172216, 174306, 190152, 193743, 211356, 232408, 244728, 257706, 258324, 261459, 272023, 285228, 314974, 330264, 343608, 348612, 386559, 387486, 422712, 472461, 515412, 516648, 522918, 544046, 570456, 581229, 629948, 697224, 773118, 774972, 784377, 816069, 944922, 1030824, 1045836, 1088092, 1162458, 1259896, 1417383, 1546236, 1549944, 1568754, 1632138, 1889844, 2091672, 2176184, 2324916, 2448207, 2834766, 2992253, 3092472, 3137508, 3264276, 3779688, 4252149, 4649832, 4896414, 5669532, 5984506, 6275016, 6528552, 7344621, 8504298, 8976759, 9792828, 11339064, 11969012, 14689242, 17008596, 17953518, 19585656, 23938024, 26930277, 29378484, 34017192, 35907036, 53860554, 58756968, 71814072, 80790831, 107721108, 161581662, 215442216, 323163324, 646326648]

約数ペア:

[(1, 646326648), (2, 323163324), (3, 215442216), (4, 161581662), (6, 107721108), (8, 80790831), (9, 71814072), (11, 58756968), (12, 53860554), (18, 35907036), (19, 34017192), (22, 29378484), (24, 26930277), (27, 23938024), (33, 19585656), (36, 17953518), (38, 17008596), (44, 14689242), (54, 11969012), (57, 11339064), (66, 9792828), (72, 8976759), (76, 8504298), (88, 7344621), (99, 6528552), (103, 6275016), (108, 5984506), (114, 5669532), (132, 4896414), (139, 4649832), (152, 4252149), (171, 3779688), (198, 3264276), (206, 3137508), (209, 3092472), (216, 2992253), (228, 2834766), (264, 2448207), (278, 2324916), (297, 2176184), (309, 2091672), (342, 1889844), (396, 1632138), (412, 1568754), (417, 1549944), (418, 1546236), (456, 1417383), (513, 1259896), (556, 1162458), (594, 1088092), (618, 1045836), (627, 1030824), (684, 944922), (792, 816069), (824, 784377), (834, 774972), (836, 773118), (927, 697224), (1026, 629948), (1112, 581229), (1133, 570456), (1188, 544046), (1236, 522918), (1251, 516648), (1254, 515412), (1368, 472461), (1529, 422712), (1668, 387486), (1672, 386559), (1854, 348612), (1881, 343608), (1957, 330264), (2052, 314974), (2266, 285228), (2376, 272023), (2472, 261459), (2502, 258324), (2508, 257706), (2641, 244728), (2781, 232408), (3058, 211356), (3336, 193743), (3399, 190152), (3708, 174306), (3753, 172216), (3762, 171804), (3914, 165132), (4104, 157487), (4532, 142614), (4587, 140904), (5004, 129162), (5016, 128853), (5282, 122364), (5562, 116204), (5643, 114536), (5871, 110088), (6116, 105678), (6798, 95076), (7416, 87153), (7506, 86108), (7524, 85902), (7828, 82566), (7923, 81576), (9064, 71307), (9174, 70452), (10008, 64581), (10197, 63384), (10564, 61182), (11124, 58102), (11286, 57268), (11742, 55044), (12232, 52839), (13596, 47538), (13761, 46968), (14317, 45144), (15012, 43054), (15048, 42951), (15656, 41283), (15846, 40788), (17613, 36696), (18348, 35226), (20394, 31692), (21128, 30591), (21527, 30024), (22248, 29051), (22572, 28634), (23484, 27522), (23769, 27192)]