720138496

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 216

約数和(自身を含む): 1937761056

約数和(自身を除く): 1217622560

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 49, 56, 64, 68, 77, 88, 98, 112, 119, 128, 136, 154, 176, 187, 196, 224, 238, 256, 272, 307, 308, 352, 374, 392, 448, 476, 539, 544, 614, 616, 704, 748, 784, 833, 896, 952, 1078, 1088, 1228, 1232, 1309, 1408, 1496, 1568, 1666, 1792, 1904, 2149, 2156, 2176, 2456, 2464, 2618, 2816, 2992, 3136, 3332, 3377, 3808, 4298, 4312, 4352, 4912, 4928, 5219, 5236, 5984, 6272, 6664, 6754, 7616, 8596, 8624, 9163, 9824, 9856, 10438, 10472, 11968, 12544, 13328, 13508, 15043, 15232, 17192, 17248, 18326, 19648, 19712, 20876, 20944, 23639, 23936, 26656, 27016, 30086, 30464, 34384, 34496, 36533, 36652, 39296, 41752, 41888, 47278, 47872, 53312, 54032, 57409, 60172, 68768, 68992, 73066, 73304, 78592, 83504, 83776, 94556, 106624, 108064, 114818, 120344, 137536, 137984, 146132, 146608, 165473, 167008, 167552, 189112, 213248, 216128, 229636, 240688, 255731, 275072, 292264, 293216, 330946, 334016, 335104, 378224, 401863, 432256, 459272, 481376, 511462, 550144, 584528, 586432, 661892, 668032, 756448, 803726, 864512, 918544, 962752, 1022924, 1169056, 1172864, 1323784, 1336064, 1512896, 1607452, 1837088, 1925504, 2045848, 2338112, 2345728, 2647568, 2813041, 3025792, 3214904, 3674176, 3851008, 4091696, 4676224, 5295136, 5626082, 6051584, 6429808, 7348352, 8183392, 9352448, 10590272, 11252164, 12859616, 14696704, 16366784, 21180544, 22504328, 25719232, 32733568, 42361088, 45008656, 51438464, 65467136, 90017312, 102876928, 180034624, 360069248, 720138496]

約数ペア:

[(1, 720138496), (2, 360069248), (4, 180034624), (7, 102876928), (8, 90017312), (11, 65467136), (14, 51438464), (16, 45008656), (17, 42361088), (22, 32733568), (28, 25719232), (32, 22504328), (34, 21180544), (44, 16366784), (49, 14696704), (56, 12859616), (64, 11252164), (68, 10590272), (77, 9352448), (88, 8183392), (98, 7348352), (112, 6429808), (119, 6051584), (128, 5626082), (136, 5295136), (154, 4676224), (176, 4091696), (187, 3851008), (196, 3674176), (224, 3214904), (238, 3025792), (256, 2813041), (272, 2647568), (307, 2345728), (308, 2338112), (352, 2045848), (374, 1925504), (392, 1837088), (448, 1607452), (476, 1512896), (539, 1336064), (544, 1323784), (614, 1172864), (616, 1169056), (704, 1022924), (748, 962752), (784, 918544), (833, 864512), (896, 803726), (952, 756448), (1078, 668032), (1088, 661892), (1228, 586432), (1232, 584528), (1309, 550144), (1408, 511462), (1496, 481376), (1568, 459272), (1666, 432256), (1792, 401863), (1904, 378224), (2149, 335104), (2156, 334016), (2176, 330946), (2456, 293216), (2464, 292264), (2618, 275072), (2816, 255731), (2992, 240688), (3136, 229636), (3332, 216128), (3377, 213248), (3808, 189112), (4298, 167552), (4312, 167008), (4352, 165473), (4912, 146608), (4928, 146132), (5219, 137984), (5236, 137536), (5984, 120344), (6272, 114818), (6664, 108064), (6754, 106624), (7616, 94556), (8596, 83776), (8624, 83504), (9163, 78592), (9824, 73304), (9856, 73066), (10438, 68992), (10472, 68768), (11968, 60172), (12544, 57409), (13328, 54032), (13508, 53312), (15043, 47872), (15232, 47278), (17192, 41888), (17248, 41752), (18326, 39296), (19648, 36652), (19712, 36533), (20876, 34496), (20944, 34384), (23639, 30464), (23936, 30086), (26656, 27016)]