289604480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 128

約数和(自身を含む): 780226560

約数和(自身を除く): 490622080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1240, 1327, 1364, 1408, 1705, 1760, 1984, 2480, 2654, 2728, 3410, 3520, 3968, 4960, 5308, 5456, 6635, 6820, 7040, 9920, 10616, 10912, 13270, 13640, 14597, 19840, 21232, 21824, 26540, 27280, 29194, 41137, 42464, 43648, 53080, 54560, 58388, 72985, 82274, 84928, 106160, 109120, 116776, 145970, 164548, 169856, 205685, 212320, 218240, 233552, 291940, 329096, 411370, 424640, 452507, 467104, 583880, 658192, 822740, 849280, 905014, 934208, 1167760, 1316384, 1645480, 1810028, 1868416, 2262535, 2335520, 2632768, 3290960, 3620056, 4525070, 4671040, 5265536, 6581920, 7240112, 9050140, 9342080, 13163840, 14480224, 18100280, 26327680, 28960448, 36200560, 57920896, 72401120, 144802240, 289604480]

約数ペア:

[(1, 289604480), (2, 144802240), (4, 72401120), (5, 57920896), (8, 36200560), (10, 28960448), (11, 26327680), (16, 18100280), (20, 14480224), (22, 13163840), (31, 9342080), (32, 9050140), (40, 7240112), (44, 6581920), (55, 5265536), (62, 4671040), (64, 4525070), (80, 3620056), (88, 3290960), (110, 2632768), (124, 2335520), (128, 2262535), (155, 1868416), (160, 1810028), (176, 1645480), (220, 1316384), (248, 1167760), (310, 934208), (320, 905014), (341, 849280), (352, 822740), (440, 658192), (496, 583880), (620, 467104), (640, 452507), (682, 424640), (704, 411370), (880, 329096), (992, 291940), (1240, 233552), (1327, 218240), (1364, 212320), (1408, 205685), (1705, 169856), (1760, 164548), (1984, 145970), (2480, 116776), (2654, 109120), (2728, 106160), (3410, 84928), (3520, 82274), (3968, 72985), (4960, 58388), (5308, 54560), (5456, 53080), (6635, 43648), (6820, 42464), (7040, 41137), (9920, 29194), (10616, 27280), (10912, 26540), (13270, 21824), (13640, 21232), (14597, 19840)]