1288266720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15881}}^1$

素因数の和:15925

約数の個数: 144

約数和(自身を含む): 4394485872

約数和(自身を除く): 3106219152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 2028, 2080, 2535, 2704, 3120, 3380, 4056, 5070, 5408, 6240, 6760, 8112, 10140, 13520, 15881, 16224, 20280, 27040, 31762, 40560, 47643, 63524, 79405, 81120, 95286, 127048, 158810, 190572, 206453, 238215, 254096, 317620, 381144, 412906, 476430, 508192, 619359, 635240, 762288, 825812, 952860, 1032265, 1238718, 1270480, 1524576, 1651624, 1905720, 2064530, 2477436, 2540960, 2683889, 3096795, 3303248, 3811440, 4129060, 4954872, 5367778, 6193590, 6606496, 7622880, 8051667, 8258120, 9909744, 10735556, 12387180, 13419445, 16103334, 16516240, 19819488, 21471112, 24774360, 26838890, 32206668, 33032480, 40258335, 42942224, 49548720, 53677780, 64413336, 80516670, 85884448, 99097440, 107355560, 128826672, 161033340, 214711120, 257653344, 322066680, 429422240, 644133360, 1288266720]

約数ペア:

[(1, 1288266720), (2, 644133360), (3, 429422240), (4, 322066680), (5, 257653344), (6, 214711120), (8, 161033340), (10, 128826672), (12, 107355560), (13, 99097440), (15, 85884448), (16, 80516670), (20, 64413336), (24, 53677780), (26, 49548720), (30, 42942224), (32, 40258335), (39, 33032480), (40, 32206668), (48, 26838890), (52, 24774360), (60, 21471112), (65, 19819488), (78, 16516240), (80, 16103334), (96, 13419445), (104, 12387180), (120, 10735556), (130, 9909744), (156, 8258120), (160, 8051667), (169, 7622880), (195, 6606496), (208, 6193590), (240, 5367778), (260, 4954872), (312, 4129060), (338, 3811440), (390, 3303248), (416, 3096795), (480, 2683889), (507, 2540960), (520, 2477436), (624, 2064530), (676, 1905720), (780, 1651624), (845, 1524576), (1014, 1270480), (1040, 1238718), (1248, 1032265), (1352, 952860), (1560, 825812), (1690, 762288), (2028, 635240), (2080, 619359), (2535, 508192), (2704, 476430), (3120, 412906), (3380, 381144), (4056, 317620), (5070, 254096), (5408, 238215), (6240, 206453), (6760, 190572), (8112, 158810), (10140, 127048), (13520, 95286), (15881, 81120), (16224, 79405), (20280, 63524), (27040, 47643), (31762, 40560)]