256156290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 256

約数和(自身を含む): 812851200

約数和(自身を除く): 556694910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 23, 26, 27, 30, 38, 39, 45, 46, 54, 57, 65, 69, 78, 90, 95, 114, 115, 117, 130, 135, 138, 167, 171, 190, 195, 207, 230, 234, 247, 270, 285, 299, 334, 342, 345, 351, 390, 414, 437, 494, 501, 513, 570, 585, 598, 621, 690, 702, 741, 835, 855, 874, 897, 1002, 1026, 1035, 1170, 1235, 1242, 1311, 1482, 1495, 1503, 1670, 1710, 1755, 1794, 2070, 2171, 2185, 2223, 2470, 2505, 2565, 2622, 2691, 2990, 3006, 3105, 3173, 3510, 3705, 3841, 3933, 4342, 4370, 4446, 4485, 4509, 5010, 5130, 5382, 5681, 6210, 6346, 6513, 6555, 6669, 7410, 7515, 7682, 7866, 8073, 8970, 9018, 9519, 10855, 11115, 11362, 11523, 11799, 13026, 13110, 13338, 13455, 15030, 15865, 16146, 17043, 19038, 19205, 19539, 19665, 21710, 22230, 22545, 23046, 23598, 26910, 28405, 28557, 31730, 32565, 33345, 34086, 34569, 38410, 39078, 39330, 40365, 41249, 45090, 47595, 49933, 51129, 56810, 57114, 57615, 58617, 58995, 65130, 66690, 69138, 72979, 80730, 82498, 85215, 85671, 95190, 97695, 99866, 102258, 103707, 115230, 117234, 117990, 123747, 142785, 145958, 149799, 153387, 170430, 171342, 172845, 195390, 206245, 207414, 218937, 247494, 249665, 255645, 285570, 293085, 299598, 306774, 345690, 364895, 371241, 412490, 428355, 437874, 449397, 499330, 511290, 518535, 586170, 618735, 656811, 729790, 742482, 748995, 766935, 856710, 898794, 948727, 1037070, 1094685, 1113723, 1237470, 1313622, 1348191, 1497990, 1533870, 1856205, 1897454, 1970433, 2189370, 2227446, 2246985, 2696382, 2846181, 3284055, 3712410, 3940866, 4493970, 4743635, 5568615, 5692362, 6568110, 6740955, 8538543, 9487270, 9852165, 11137230, 13481910, 14230905, 17077086, 19704330, 25615629, 28461810, 42692715, 51231258, 85385430, 128078145, 256156290]

約数ペア:

[(1, 256156290), (2, 128078145), (3, 85385430), (5, 51231258), (6, 42692715), (9, 28461810), (10, 25615629), (13, 19704330), (15, 17077086), (18, 14230905), (19, 13481910), (23, 11137230), (26, 9852165), (27, 9487270), (30, 8538543), (38, 6740955), (39, 6568110), (45, 5692362), (46, 5568615), (54, 4743635), (57, 4493970), (65, 3940866), (69, 3712410), (78, 3284055), (90, 2846181), (95, 2696382), (114, 2246985), (115, 2227446), (117, 2189370), (130, 1970433), (135, 1897454), (138, 1856205), (167, 1533870), (171, 1497990), (190, 1348191), (195, 1313622), (207, 1237470), (230, 1113723), (234, 1094685), (247, 1037070), (270, 948727), (285, 898794), (299, 856710), (334, 766935), (342, 748995), (345, 742482), (351, 729790), (390, 656811), (414, 618735), (437, 586170), (494, 518535), (501, 511290), (513, 499330), (570, 449397), (585, 437874), (598, 428355), (621, 412490), (690, 371241), (702, 364895), (741, 345690), (835, 306774), (855, 299598), (874, 293085), (897, 285570), (1002, 255645), (1026, 249665), (1035, 247494), (1170, 218937), (1235, 207414), (1242, 206245), (1311, 195390), (1482, 172845), (1495, 171342), (1503, 170430), (1670, 153387), (1710, 149799), (1755, 145958), (1794, 142785), (2070, 123747), (2171, 117990), (2185, 117234), (2223, 115230), (2470, 103707), (2505, 102258), (2565, 99866), (2622, 97695), (2691, 95190), (2990, 85671), (3006, 85215), (3105, 82498), (3173, 80730), (3510, 72979), (3705, 69138), (3841, 66690), (3933, 65130), (4342, 58995), (4370, 58617), (4446, 57615), (4485, 57114), (4509, 56810), (5010, 51129), (5130, 49933), (5382, 47595), (5681, 45090), (6210, 41249), (6346, 40365), (6513, 39330), (6555, 39078), (6669, 38410), (7410, 34569), (7515, 34086), (7682, 33345), (7866, 32565), (8073, 31730), (8970, 28557), (9018, 28405), (9519, 26910), (10855, 23598), (11115, 23046), (11362, 22545), (11523, 22230), (11799, 21710), (13026, 19665), (13110, 19539), (13338, 19205), (13455, 19038), (15030, 17043), (15865, 16146)]