645289476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 1796551680

約数和(自身を除く): 1151262204

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 43, 52, 57, 61, 76, 78, 83, 86, 114, 122, 129, 156, 166, 172, 183, 228, 244, 247, 249, 258, 332, 366, 494, 498, 516, 559, 732, 741, 793, 817, 988, 996, 1079, 1118, 1159, 1482, 1577, 1586, 1634, 1677, 2158, 2236, 2318, 2379, 2451, 2623, 2964, 3154, 3172, 3237, 3268, 3354, 3477, 3569, 4316, 4636, 4731, 4758, 4902, 5063, 5246, 6308, 6474, 6708, 6954, 7138, 7869, 9462, 9516, 9804, 10126, 10492, 10621, 10707, 12948, 13908, 14276, 15067, 15189, 15738, 18924, 20252, 20501, 21242, 21414, 30134, 30378, 31476, 31863, 34099, 41002, 42484, 42828, 45201, 46397, 49837, 60268, 60756, 61503, 63726, 65819, 67811, 68198, 82004, 90402, 92794, 96197, 99674, 102297, 123006, 127452, 131638, 135622, 136396, 139191, 149511, 180804, 185588, 192394, 197457, 199348, 203433, 204594, 217709, 246012, 263276, 271244, 278382, 288591, 299022, 384788, 394914, 406866, 409188, 435418, 556764, 577182, 598044, 647881, 653127, 789828, 813732, 870836, 881543, 1154364, 1250561, 1295762, 1306254, 1763086, 1943643, 2501122, 2591524, 2612508, 2644629, 2830217, 3526172, 3751683, 3887286, 4136471, 5002244, 5289258, 5660434, 7503366, 7774572, 8272942, 8490651, 10578516, 11320868, 12409413, 15006732, 16545884, 16981302, 24818826, 33962604, 49637652, 53774123, 107548246, 161322369, 215096492, 322644738, 645289476]

約数ペア:

[(1, 645289476), (2, 322644738), (3, 215096492), (4, 161322369), (6, 107548246), (12, 53774123), (13, 49637652), (19, 33962604), (26, 24818826), (38, 16981302), (39, 16545884), (43, 15006732), (52, 12409413), (57, 11320868), (61, 10578516), (76, 8490651), (78, 8272942), (83, 7774572), (86, 7503366), (114, 5660434), (122, 5289258), (129, 5002244), (156, 4136471), (166, 3887286), (172, 3751683), (183, 3526172), (228, 2830217), (244, 2644629), (247, 2612508), (249, 2591524), (258, 2501122), (332, 1943643), (366, 1763086), (494, 1306254), (498, 1295762), (516, 1250561), (559, 1154364), (732, 881543), (741, 870836), (793, 813732), (817, 789828), (988, 653127), (996, 647881), (1079, 598044), (1118, 577182), (1159, 556764), (1482, 435418), (1577, 409188), (1586, 406866), (1634, 394914), (1677, 384788), (2158, 299022), (2236, 288591), (2318, 278382), (2379, 271244), (2451, 263276), (2623, 246012), (2964, 217709), (3154, 204594), (3172, 203433), (3237, 199348), (3268, 197457), (3354, 192394), (3477, 185588), (3569, 180804), (4316, 149511), (4636, 139191), (4731, 136396), (4758, 135622), (4902, 131638), (5063, 127452), (5246, 123006), (6308, 102297), (6474, 99674), (6708, 96197), (6954, 92794), (7138, 90402), (7869, 82004), (9462, 68198), (9516, 67811), (9804, 65819), (10126, 63726), (10492, 61503), (10621, 60756), (10707, 60268), (12948, 49837), (13908, 46397), (14276, 45201), (15067, 42828), (15189, 42484), (15738, 41002), (18924, 34099), (20252, 31863), (20501, 31476), (21242, 30378), (21414, 30134)]