257103288

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 256

約数和(自身を含む): 833280000

約数和(自身を除く): 576176712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 61, 72, 76, 78, 79, 104, 108, 114, 117, 122, 152, 156, 158, 171, 183, 216, 228, 234, 237, 244, 247, 312, 316, 342, 351, 366, 456, 468, 474, 488, 494, 513, 549, 632, 684, 702, 711, 732, 741, 793, 936, 948, 988, 1026, 1027, 1098, 1159, 1368, 1404, 1422, 1464, 1482, 1501, 1586, 1647, 1896, 1976, 2052, 2054, 2133, 2196, 2223, 2318, 2379, 2808, 2844, 2964, 3002, 3081, 3172, 3294, 3477, 4104, 4108, 4266, 4392, 4446, 4503, 4636, 4758, 4819, 5688, 5928, 6004, 6162, 6344, 6588, 6669, 6954, 7137, 8216, 8532, 8892, 9006, 9243, 9272, 9516, 9638, 10431, 12008, 12324, 13176, 13338, 13509, 13908, 14274, 14457, 15067, 17064, 17784, 18012, 18486, 19032, 19276, 19513, 20862, 21411, 24648, 26676, 27018, 27729, 27816, 28548, 28914, 30134, 31293, 36024, 36972, 38552, 39026, 40527, 41724, 42822, 43371, 45201, 53352, 54036, 55458, 57096, 57828, 58539, 60268, 62586, 62647, 73944, 78052, 81054, 83448, 85644, 86742, 90402, 91561, 108072, 110916, 115656, 117078, 120536, 125172, 125294, 130113, 135603, 156104, 162108, 171288, 173484, 175617, 180804, 183122, 187941, 221832, 234156, 250344, 250588, 260226, 271206, 274683, 324216, 346968, 351234, 361608, 366244, 375882, 406809, 468312, 501176, 520452, 526851, 542412, 549366, 563823, 702468, 732488, 751764, 813618, 824049, 1040904, 1053702, 1084824, 1098732, 1127646, 1190293, 1404936, 1503528, 1627236, 1648098, 1691469, 2107404, 2197464, 2255292, 2380586, 2472147, 3254472, 3296196, 3382938, 3570879, 4214808, 4510584, 4761172, 4944294, 6592392, 6765876, 7141758, 9522344, 9888588, 10712637, 13531752, 14283516, 19777176, 21425274, 28567032, 32137911, 42850548, 64275822, 85701096, 128551644, 257103288]

約数ペア:

[(1, 257103288), (2, 128551644), (3, 85701096), (4, 64275822), (6, 42850548), (8, 32137911), (9, 28567032), (12, 21425274), (13, 19777176), (18, 14283516), (19, 13531752), (24, 10712637), (26, 9888588), (27, 9522344), (36, 7141758), (38, 6765876), (39, 6592392), (52, 4944294), (54, 4761172), (57, 4510584), (61, 4214808), (72, 3570879), (76, 3382938), (78, 3296196), (79, 3254472), (104, 2472147), (108, 2380586), (114, 2255292), (117, 2197464), (122, 2107404), (152, 1691469), (156, 1648098), (158, 1627236), (171, 1503528), (183, 1404936), (216, 1190293), (228, 1127646), (234, 1098732), (237, 1084824), (244, 1053702), (247, 1040904), (312, 824049), (316, 813618), (342, 751764), (351, 732488), (366, 702468), (456, 563823), (468, 549366), (474, 542412), (488, 526851), (494, 520452), (513, 501176), (549, 468312), (632, 406809), (684, 375882), (702, 366244), (711, 361608), (732, 351234), (741, 346968), (793, 324216), (936, 274683), (948, 271206), (988, 260226), (1026, 250588), (1027, 250344), (1098, 234156), (1159, 221832), (1368, 187941), (1404, 183122), (1422, 180804), (1464, 175617), (1482, 173484), (1501, 171288), (1586, 162108), (1647, 156104), (1896, 135603), (1976, 130113), (2052, 125294), (2054, 125172), (2133, 120536), (2196, 117078), (2223, 115656), (2318, 110916), (2379, 108072), (2808, 91561), (2844, 90402), (2964, 86742), (3002, 85644), (3081, 83448), (3172, 81054), (3294, 78052), (3477, 73944), (4104, 62647), (4108, 62586), (4266, 60268), (4392, 58539), (4446, 57828), (4503, 57096), (4636, 55458), (4758, 54036), (4819, 53352), (5688, 45201), (5928, 43371), (6004, 42822), (6162, 41724), (6344, 40527), (6588, 39026), (6669, 38552), (6954, 36972), (7137, 36024), (8216, 31293), (8532, 30134), (8892, 28914), (9006, 28548), (9243, 27816), (9272, 27729), (9516, 27018), (9638, 26676), (10431, 24648), (12008, 21411), (12324, 20862), (13176, 19513), (13338, 19276), (13509, 19032), (13908, 18486), (14274, 18012), (14457, 17784), (15067, 17064)]