20576735760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{26801}}^1$

素因数の和:27281

約数の個数: 160

約数和(自身を含む): 73062680832

約数和(自身を除く): 52485945072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 457, 560, 840, 914, 1371, 1680, 1828, 2285, 2742, 3199, 3656, 4570, 5484, 6398, 6855, 7312, 9140, 9597, 10968, 12796, 13710, 15995, 18280, 19194, 21936, 25592, 26801, 27420, 31990, 36560, 38388, 47985, 51184, 53602, 54840, 63980, 76776, 80403, 95970, 107204, 109680, 127960, 134005, 153552, 160806, 187607, 191940, 214408, 255920, 268010, 321612, 375214, 383880, 402015, 428816, 536020, 562821, 643224, 750428, 767760, 804030, 938035, 1072040, 1125642, 1286448, 1500856, 1608060, 1876070, 2144080, 2251284, 2814105, 3001712, 3216120, 3752140, 4502568, 5628210, 6432240, 7504280, 9005136, 11256420, 12248057, 15008560, 22512840, 24496114, 36744171, 45025680, 48992228, 61240285, 73488342, 85736399, 97984456, 122480570, 146976684, 171472798, 183720855, 195968912, 244961140, 257209197, 293953368, 342945596, 367441710, 428681995, 489922280, 514418394, 587906736, 685891192, 734883420, 857363990, 979844560, 1028836788, 1286045985, 1371782384, 1469766840, 1714727980, 2057673576, 2572091970, 2939533680, 3429455960, 4115347152, 5144183940, 6858911920, 10288367880, 20576735760]

約数ペア:

[(1, 20576735760), (2, 10288367880), (3, 6858911920), (4, 5144183940), (5, 4115347152), (6, 3429455960), (7, 2939533680), (8, 2572091970), (10, 2057673576), (12, 1714727980), (14, 1469766840), (15, 1371782384), (16, 1286045985), (20, 1028836788), (21, 979844560), (24, 857363990), (28, 734883420), (30, 685891192), (35, 587906736), (40, 514418394), (42, 489922280), (48, 428681995), (56, 367441710), (60, 342945596), (70, 293953368), (80, 257209197), (84, 244961140), (105, 195968912), (112, 183720855), (120, 171472798), (140, 146976684), (168, 122480570), (210, 97984456), (240, 85736399), (280, 73488342), (336, 61240285), (420, 48992228), (457, 45025680), (560, 36744171), (840, 24496114), (914, 22512840), (1371, 15008560), (1680, 12248057), (1828, 11256420), (2285, 9005136), (2742, 7504280), (3199, 6432240), (3656, 5628210), (4570, 4502568), (5484, 3752140), (6398, 3216120), (6855, 3001712), (7312, 2814105), (9140, 2251284), (9597, 2144080), (10968, 1876070), (12796, 1608060), (13710, 1500856), (15995, 1286448), (18280, 1125642), (19194, 1072040), (21936, 938035), (25592, 804030), (26801, 767760), (27420, 750428), (31990, 643224), (36560, 562821), (38388, 536020), (47985, 428816), (51184, 402015), (53602, 383880), (54840, 375214), (63980, 321612), (76776, 268010), (80403, 255920), (95970, 214408), (107204, 191940), (109680, 187607), (127960, 160806), (134005, 153552)]