87787980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 216

約数和(自身を含む): 322856352

約数和(自身を除く): 235068372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 193, 210, 228, 252, 266, 285, 315, 342, 361, 380, 386, 399, 420, 532, 570, 579, 630, 665, 684, 722, 772, 798, 855, 965, 1083, 1140, 1158, 1197, 1260, 1330, 1351, 1444, 1596, 1710, 1737, 1805, 1930, 1995, 2166, 2316, 2394, 2527, 2660, 2702, 2895, 3249, 3420, 3474, 3610, 3667, 3860, 3990, 4053, 4332, 4788, 5054, 5404, 5415, 5790, 5985, 6498, 6755, 6948, 7220, 7334, 7581, 7980, 8106, 8685, 10108, 10830, 11001, 11580, 11970, 12159, 12635, 12996, 13510, 14668, 15162, 16212, 16245, 17370, 18335, 20265, 21660, 22002, 22743, 23940, 24318, 25270, 25669, 27020, 30324, 32490, 33003, 34740, 36670, 37905, 40530, 44004, 45486, 48636, 50540, 51338, 55005, 60795, 64980, 66006, 69673, 73340, 75810, 77007, 81060, 90972, 102676, 110010, 113715, 121590, 128345, 132012, 139346, 151620, 154014, 165015, 209019, 220020, 227430, 231021, 243180, 256690, 278692, 308028, 330030, 348365, 385035, 418038, 454860, 462042, 487711, 513380, 627057, 660060, 696730, 770070, 836076, 924084, 975422, 1045095, 1155105, 1254114, 1393460, 1463133, 1540140, 1950844, 2090190, 2310210, 2438555, 2508228, 2926266, 3135285, 4180380, 4389399, 4620420, 4877110, 5852532, 6270570, 7315665, 8778798, 9754220, 12541140, 14631330, 17557596, 21946995, 29262660, 43893990, 87787980]

約数ペア:

[(1, 87787980), (2, 43893990), (3, 29262660), (4, 21946995), (5, 17557596), (6, 14631330), (7, 12541140), (9, 9754220), (10, 8778798), (12, 7315665), (14, 6270570), (15, 5852532), (18, 4877110), (19, 4620420), (20, 4389399), (21, 4180380), (28, 3135285), (30, 2926266), (35, 2508228), (36, 2438555), (38, 2310210), (42, 2090190), (45, 1950844), (57, 1540140), (60, 1463133), (63, 1393460), (70, 1254114), (76, 1155105), (84, 1045095), (90, 975422), (95, 924084), (105, 836076), (114, 770070), (126, 696730), (133, 660060), (140, 627057), (171, 513380), (180, 487711), (190, 462042), (193, 454860), (210, 418038), (228, 385035), (252, 348365), (266, 330030), (285, 308028), (315, 278692), (342, 256690), (361, 243180), (380, 231021), (386, 227430), (399, 220020), (420, 209019), (532, 165015), (570, 154014), (579, 151620), (630, 139346), (665, 132012), (684, 128345), (722, 121590), (772, 113715), (798, 110010), (855, 102676), (965, 90972), (1083, 81060), (1140, 77007), (1158, 75810), (1197, 73340), (1260, 69673), (1330, 66006), (1351, 64980), (1444, 60795), (1596, 55005), (1710, 51338), (1737, 50540), (1805, 48636), (1930, 45486), (1995, 44004), (2166, 40530), (2316, 37905), (2394, 36670), (2527, 34740), (2660, 33003), (2702, 32490), (2895, 30324), (3249, 27020), (3420, 25669), (3474, 25270), (3610, 24318), (3667, 23940), (3860, 22743), (3990, 22002), (4053, 21660), (4332, 20265), (4788, 18335), (5054, 17370), (5404, 16245), (5415, 16212), (5790, 15162), (5985, 14668), (6498, 13510), (6755, 12996), (6948, 12635), (7220, 12159), (7334, 11970), (7581, 11580), (7980, 11001), (8106, 10830), (8685, 10108)]