123456528

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 240

約数和(自身を含む): 408456000

約数和(自身を除く): 284999472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 89, 104, 108, 114, 117, 144, 152, 156, 169, 171, 178, 208, 216, 228, 234, 247, 267, 304, 312, 338, 342, 351, 356, 432, 456, 468, 494, 507, 513, 534, 624, 676, 684, 702, 712, 741, 801, 912, 936, 988, 1014, 1026, 1068, 1157, 1352, 1368, 1404, 1424, 1482, 1521, 1602, 1691, 1872, 1976, 2028, 2052, 2136, 2223, 2314, 2403, 2704, 2736, 2808, 2964, 3042, 3204, 3211, 3382, 3471, 3952, 4056, 4104, 4272, 4446, 4563, 4628, 4806, 5073, 5616, 5928, 6084, 6408, 6422, 6669, 6764, 6942, 8112, 8208, 8892, 9126, 9256, 9612, 9633, 10146, 10413, 11856, 12168, 12816, 12844, 13338, 13528, 13884, 15041, 15219, 17784, 18252, 18512, 19224, 19266, 20292, 20826, 21983, 24336, 25688, 26676, 27056, 27768, 28899, 30082, 30438, 31239, 35568, 36504, 38448, 38532, 40584, 41652, 43966, 45123, 45657, 51376, 53352, 55536, 57798, 60164, 60876, 62478, 65949, 73008, 77064, 81168, 83304, 86697, 87932, 90246, 91314, 106704, 115596, 120328, 121752, 124956, 131898, 135369, 154128, 166608, 173394, 175864, 180492, 182628, 197847, 231192, 240656, 243504, 249912, 263796, 270738, 285779, 346788, 351728, 360984, 365256, 395694, 406107, 462384, 499824, 527592, 541476, 571558, 593541, 693576, 721968, 730512, 791388, 812214, 857337, 1055184, 1082952, 1143116, 1187082, 1387152, 1582776, 1624428, 1714674, 2165904, 2286232, 2374164, 2572011, 3165552, 3248856, 3429348, 4572464, 4748328, 5144022, 6497712, 6858696, 7716033, 9496656, 10288044, 13717392, 15432066, 20576088, 30864132, 41152176, 61728264, 123456528]

約数ペア:

[(1, 123456528), (2, 61728264), (3, 41152176), (4, 30864132), (6, 20576088), (8, 15432066), (9, 13717392), (12, 10288044), (13, 9496656), (16, 7716033), (18, 6858696), (19, 6497712), (24, 5144022), (26, 4748328), (27, 4572464), (36, 3429348), (38, 3248856), (39, 3165552), (48, 2572011), (52, 2374164), (54, 2286232), (57, 2165904), (72, 1714674), (76, 1624428), (78, 1582776), (89, 1387152), (104, 1187082), (108, 1143116), (114, 1082952), (117, 1055184), (144, 857337), (152, 812214), (156, 791388), (169, 730512), (171, 721968), (178, 693576), (208, 593541), (216, 571558), (228, 541476), (234, 527592), (247, 499824), (267, 462384), (304, 406107), (312, 395694), (338, 365256), (342, 360984), (351, 351728), (356, 346788), (432, 285779), (456, 270738), (468, 263796), (494, 249912), (507, 243504), (513, 240656), (534, 231192), (624, 197847), (676, 182628), (684, 180492), (702, 175864), (712, 173394), (741, 166608), (801, 154128), (912, 135369), (936, 131898), (988, 124956), (1014, 121752), (1026, 120328), (1068, 115596), (1157, 106704), (1352, 91314), (1368, 90246), (1404, 87932), (1424, 86697), (1482, 83304), (1521, 81168), (1602, 77064), (1691, 73008), (1872, 65949), (1976, 62478), (2028, 60876), (2052, 60164), (2136, 57798), (2223, 55536), (2314, 53352), (2403, 51376), (2704, 45657), (2736, 45123), (2808, 43966), (2964, 41652), (3042, 40584), (3204, 38532), (3211, 38448), (3382, 36504), (3471, 35568), (3952, 31239), (4056, 30438), (4104, 30082), (4272, 28899), (4446, 27768), (4563, 27056), (4628, 26676), (4806, 25688), (5073, 24336), (5616, 21983), (5928, 20826), (6084, 20292), (6408, 19266), (6422, 19224), (6669, 18512), (6764, 18252), (6942, 17784), (8112, 15219), (8208, 15041), (8892, 13884), (9126, 13528), (9256, 13338), (9612, 12844), (9633, 12816), (10146, 12168), (10413, 11856)]