328887680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 898611840

約数和(自身を除く): 569724160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 128, 137, 155, 160, 176, 220, 242, 248, 274, 310, 320, 341, 352, 440, 484, 496, 548, 605, 620, 640, 682, 685, 704, 880, 968, 992, 1096, 1210, 1240, 1364, 1370, 1408, 1507, 1705, 1760, 1936, 1984, 2192, 2420, 2480, 2728, 2740, 3014, 3410, 3520, 3751, 3872, 3968, 4247, 4384, 4840, 4960, 5456, 5480, 6028, 6820, 7040, 7502, 7535, 7744, 8494, 8768, 9680, 9920, 10912, 10960, 12056, 13640, 15004, 15070, 15488, 16577, 16988, 17536, 18755, 19360, 19840, 21235, 21824, 21920, 24112, 27280, 30008, 30140, 33154, 33976, 37510, 38720, 42470, 43648, 43840, 46717, 48224, 54560, 60016, 60280, 66308, 67952, 75020, 77440, 82885, 84940, 87680, 93434, 96448, 109120, 120032, 120560, 132616, 135904, 150040, 165770, 169880, 186868, 192896, 218240, 233585, 240064, 241120, 265232, 271808, 300080, 331540, 339760, 373736, 467170, 480128, 482240, 513887, 530464, 543616, 600160, 663080, 679520, 747472, 934340, 964480, 1027774, 1060928, 1200320, 1326160, 1359040, 1494944, 1868680, 2055548, 2121856, 2400640, 2569435, 2652320, 2718080, 2989888, 3737360, 4111096, 5138870, 5304640, 5979776, 7474720, 8222192, 10277740, 10609280, 14949440, 16444384, 20555480, 29898880, 32888768, 41110960, 65777536, 82221920, 164443840, 328887680]

約数ペア:

[(1, 328887680), (2, 164443840), (4, 82221920), (5, 65777536), (8, 41110960), (10, 32888768), (11, 29898880), (16, 20555480), (20, 16444384), (22, 14949440), (31, 10609280), (32, 10277740), (40, 8222192), (44, 7474720), (55, 5979776), (62, 5304640), (64, 5138870), (80, 4111096), (88, 3737360), (110, 2989888), (121, 2718080), (124, 2652320), (128, 2569435), (137, 2400640), (155, 2121856), (160, 2055548), (176, 1868680), (220, 1494944), (242, 1359040), (248, 1326160), (274, 1200320), (310, 1060928), (320, 1027774), (341, 964480), (352, 934340), (440, 747472), (484, 679520), (496, 663080), (548, 600160), (605, 543616), (620, 530464), (640, 513887), (682, 482240), (685, 480128), (704, 467170), (880, 373736), (968, 339760), (992, 331540), (1096, 300080), (1210, 271808), (1240, 265232), (1364, 241120), (1370, 240064), (1408, 233585), (1507, 218240), (1705, 192896), (1760, 186868), (1936, 169880), (1984, 165770), (2192, 150040), (2420, 135904), (2480, 132616), (2728, 120560), (2740, 120032), (3014, 109120), (3410, 96448), (3520, 93434), (3751, 87680), (3872, 84940), (3968, 82885), (4247, 77440), (4384, 75020), (4840, 67952), (4960, 66308), (5456, 60280), (5480, 60016), (6028, 54560), (6820, 48224), (7040, 46717), (7502, 43840), (7535, 43648), (7744, 42470), (8494, 38720), (8768, 37510), (9680, 33976), (9920, 33154), (10912, 30140), (10960, 30008), (12056, 27280), (13640, 24112), (15004, 21920), (15070, 21824), (15488, 21235), (16577, 19840), (16988, 19360), (17536, 18755)]