256446648

素因数分解:

$2^3\times 3^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 778377600

約数和(自身を除く): 521930952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 53, 54, 57, 72, 76, 81, 106, 108, 114, 131, 152, 159, 162, 171, 212, 216, 228, 243, 262, 318, 324, 342, 393, 424, 456, 477, 486, 513, 524, 636, 648, 684, 786, 954, 972, 1007, 1026, 1048, 1179, 1272, 1368, 1431, 1539, 1572, 1908, 1944, 2014, 2052, 2358, 2489, 2862, 3021, 3078, 3144, 3537, 3816, 4028, 4104, 4293, 4617, 4716, 4978, 5724, 6042, 6156, 6943, 7074, 7467, 8056, 8586, 9063, 9234, 9432, 9956, 10611, 11448, 12084, 12312, 12879, 13886, 14148, 14934, 17172, 18126, 18468, 19912, 20829, 21222, 22401, 24168, 25758, 27189, 27772, 28296, 29868, 31833, 34344, 36252, 36936, 41658, 42444, 44802, 51516, 54378, 55544, 59736, 62487, 63666, 67203, 72504, 81567, 83316, 84888, 89604, 103032, 108756, 124974, 127332, 131917, 134406, 163134, 166632, 179208, 187461, 201609, 217512, 244701, 249948, 254664, 263834, 268812, 326268, 374922, 395751, 403218, 489402, 499896, 527668, 537624, 562383, 604827, 652536, 749844, 791502, 806436, 978804, 1055336, 1124766, 1187253, 1209654, 1499688, 1583004, 1612872, 1687149, 1957608, 2249532, 2374506, 2419308, 3166008, 3374298, 3561759, 4499064, 4749012, 4838616, 6748596, 7123518, 9498024, 10685277, 13497192, 14247036, 21370554, 28494072, 32055831, 42741108, 64111662, 85482216, 128223324, 256446648]

約数ペア:

[(1, 256446648), (2, 128223324), (3, 85482216), (4, 64111662), (6, 42741108), (8, 32055831), (9, 28494072), (12, 21370554), (18, 14247036), (19, 13497192), (24, 10685277), (27, 9498024), (36, 7123518), (38, 6748596), (53, 4838616), (54, 4749012), (57, 4499064), (72, 3561759), (76, 3374298), (81, 3166008), (106, 2419308), (108, 2374506), (114, 2249532), (131, 1957608), (152, 1687149), (159, 1612872), (162, 1583004), (171, 1499688), (212, 1209654), (216, 1187253), (228, 1124766), (243, 1055336), (262, 978804), (318, 806436), (324, 791502), (342, 749844), (393, 652536), (424, 604827), (456, 562383), (477, 537624), (486, 527668), (513, 499896), (524, 489402), (636, 403218), (648, 395751), (684, 374922), (786, 326268), (954, 268812), (972, 263834), (1007, 254664), (1026, 249948), (1048, 244701), (1179, 217512), (1272, 201609), (1368, 187461), (1431, 179208), (1539, 166632), (1572, 163134), (1908, 134406), (1944, 131917), (2014, 127332), (2052, 124974), (2358, 108756), (2489, 103032), (2862, 89604), (3021, 84888), (3078, 83316), (3144, 81567), (3537, 72504), (3816, 67203), (4028, 63666), (4104, 62487), (4293, 59736), (4617, 55544), (4716, 54378), (4978, 51516), (5724, 44802), (6042, 42444), (6156, 41658), (6943, 36936), (7074, 36252), (7467, 34344), (8056, 31833), (8586, 29868), (9063, 28296), (9234, 27772), (9432, 27189), (9956, 25758), (10611, 24168), (11448, 22401), (12084, 21222), (12312, 20829), (12879, 19912), (13886, 18468), (14148, 18126), (14934, 17172)]