1540560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{131}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 5597856

約数和(自身を除く): 4057296

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 131, 140, 147, 168, 196, 210, 240, 245, 262, 280, 294, 336, 392, 393, 420, 490, 524, 560, 588, 655, 735, 784, 786, 840, 917, 980, 1048, 1176, 1310, 1470, 1572, 1680, 1834, 1960, 1965, 2096, 2352, 2620, 2751, 2940, 3144, 3668, 3920, 3930, 4585, 5240, 5502, 5880, 6288, 6419, 7336, 7860, 9170, 10480, 11004, 11760, 12838, 13755, 14672, 15720, 18340, 19257, 22008, 25676, 27510, 31440, 32095, 36680, 38514, 44016, 51352, 55020, 64190, 73360, 77028, 96285, 102704, 110040, 128380, 154056, 192570, 220080, 256760, 308112, 385140, 513520, 770280, 1540560]

約数ペア:

[(1, 1540560), (2, 770280), (3, 513520), (4, 385140), (5, 308112), (6, 256760), (7, 220080), (8, 192570), (10, 154056), (12, 128380), (14, 110040), (15, 102704), (16, 96285), (20, 77028), (21, 73360), (24, 64190), (28, 55020), (30, 51352), (35, 44016), (40, 38514), (42, 36680), (48, 32095), (49, 31440), (56, 27510), (60, 25676), (70, 22008), (80, 19257), (84, 18340), (98, 15720), (105, 14672), (112, 13755), (120, 12838), (131, 11760), (140, 11004), (147, 10480), (168, 9170), (196, 7860), (210, 7336), (240, 6419), (245, 6288), (262, 5880), (280, 5502), (294, 5240), (336, 4585), (392, 3930), (393, 3920), (420, 3668), (490, 3144), (524, 2940), (560, 2751), (588, 2620), (655, 2352), (735, 2096), (784, 1965), (786, 1960), (840, 1834), (917, 1680), (980, 1572), (1048, 1470), (1176, 1310)]