131681970

素因数分解:

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

素因数の和:254

約数の個数: 192

約数和(自身を含む): 425744640

約数和(自身を除く): 294062670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 193, 210, 266, 270, 285, 315, 342, 361, 378, 386, 399, 513, 570, 579, 630, 665, 722, 798, 855, 945, 965, 1026, 1083, 1158, 1197, 1330, 1351, 1710, 1737, 1805, 1890, 1930, 1995, 2166, 2394, 2527, 2565, 2702, 2895, 3249, 3474, 3591, 3610, 3667, 3990, 4053, 5054, 5130, 5211, 5415, 5790, 5985, 6498, 6755, 7182, 7334, 7581, 8106, 8685, 9747, 10422, 10830, 11001, 11970, 12159, 12635, 13510, 15162, 16245, 17370, 17955, 18335, 19494, 20265, 22002, 22743, 24318, 25270, 25669, 26055, 32490, 33003, 35910, 36477, 36670, 37905, 40530, 45486, 48735, 51338, 52110, 55005, 60795, 66006, 68229, 69673, 72954, 75810, 77007, 97470, 99009, 110010, 113715, 121590, 128345, 136458, 139346, 154014, 165015, 182385, 198018, 209019, 227430, 231021, 256690, 330030, 341145, 348365, 364770, 385035, 418038, 462042, 487711, 495045, 627057, 682290, 693063, 696730, 770070, 975422, 990090, 1045095, 1155105, 1254114, 1386126, 1463133, 1881171, 2090190, 2310210, 2438555, 2926266, 3135285, 3465315, 3762342, 4389399, 4877110, 6270570, 6930630, 7315665, 8778798, 9405855, 13168197, 14631330, 18811710, 21946995, 26336394, 43893990, 65840985, 131681970]

約数ペア:

[(1, 131681970), (2, 65840985), (3, 43893990), (5, 26336394), (6, 21946995), (7, 18811710), (9, 14631330), (10, 13168197), (14, 9405855), (15, 8778798), (18, 7315665), (19, 6930630), (21, 6270570), (27, 4877110), (30, 4389399), (35, 3762342), (38, 3465315), (42, 3135285), (45, 2926266), (54, 2438555), (57, 2310210), (63, 2090190), (70, 1881171), (90, 1463133), (95, 1386126), (105, 1254114), (114, 1155105), (126, 1045095), (133, 990090), (135, 975422), (171, 770070), (189, 696730), (190, 693063), (193, 682290), (210, 627057), (266, 495045), (270, 487711), (285, 462042), (315, 418038), (342, 385035), (361, 364770), (378, 348365), (386, 341145), (399, 330030), (513, 256690), (570, 231021), (579, 227430), (630, 209019), (665, 198018), (722, 182385), (798, 165015), (855, 154014), (945, 139346), (965, 136458), (1026, 128345), (1083, 121590), (1158, 113715), (1197, 110010), (1330, 99009), (1351, 97470), (1710, 77007), (1737, 75810), (1805, 72954), (1890, 69673), (1930, 68229), (1995, 66006), (2166, 60795), (2394, 55005), (2527, 52110), (2565, 51338), (2702, 48735), (2895, 45486), (3249, 40530), (3474, 37905), (3591, 36670), (3610, 36477), (3667, 35910), (3990, 33003), (4053, 32490), (5054, 26055), (5130, 25669), (5211, 25270), (5415, 24318), (5790, 22743), (5985, 22002), (6498, 20265), (6755, 19494), (7182, 18335), (7334, 17955), (7581, 17370), (8106, 16245), (8685, 15162), (9747, 13510), (10422, 12635), (10830, 12159), (11001, 11970)]