180225720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 618040800

約数和(自身を除く): 437815080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 61, 72, 87, 90, 116, 120, 122, 145, 174, 180, 183, 232, 244, 261, 283, 290, 305, 348, 360, 366, 435, 488, 522, 549, 566, 580, 610, 696, 732, 849, 870, 915, 1044, 1098, 1132, 1160, 1220, 1305, 1415, 1464, 1698, 1740, 1769, 1830, 2088, 2196, 2264, 2440, 2547, 2610, 2745, 2830, 3396, 3480, 3538, 3660, 4245, 4392, 5094, 5220, 5307, 5490, 5660, 6792, 7076, 7320, 8207, 8490, 8845, 10188, 10440, 10614, 10980, 11320, 12735, 14152, 15921, 16414, 16980, 17263, 17690, 20376, 21228, 21960, 24621, 25470, 26535, 31842, 32828, 33960, 34526, 35380, 41035, 42456, 49242, 50940, 51789, 53070, 63684, 65656, 69052, 70760, 73863, 79605, 82070, 86315, 98484, 101880, 103578, 106140, 123105, 127368, 138104, 147726, 155367, 159210, 164140, 172630, 196968, 207156, 212280, 246210, 258945, 295452, 310734, 318420, 328280, 345260, 369315, 414312, 492420, 500627, 517890, 590904, 621468, 636840, 690520, 738630, 776835, 984840, 1001254, 1035780, 1242936, 1477260, 1501881, 1553670, 2002508, 2071560, 2503135, 2954520, 3003762, 3107340, 4005016, 4505643, 5006270, 6007524, 6214680, 7509405, 9011286, 10012540, 12015048, 15018810, 18022572, 20025080, 22528215, 30037620, 36045144, 45056430, 60075240, 90112860, 180225720]

約数ペア:

[(1, 180225720), (2, 90112860), (3, 60075240), (4, 45056430), (5, 36045144), (6, 30037620), (8, 22528215), (9, 20025080), (10, 18022572), (12, 15018810), (15, 12015048), (18, 10012540), (20, 9011286), (24, 7509405), (29, 6214680), (30, 6007524), (36, 5006270), (40, 4505643), (45, 4005016), (58, 3107340), (60, 3003762), (61, 2954520), (72, 2503135), (87, 2071560), (90, 2002508), (116, 1553670), (120, 1501881), (122, 1477260), (145, 1242936), (174, 1035780), (180, 1001254), (183, 984840), (232, 776835), (244, 738630), (261, 690520), (283, 636840), (290, 621468), (305, 590904), (348, 517890), (360, 500627), (366, 492420), (435, 414312), (488, 369315), (522, 345260), (549, 328280), (566, 318420), (580, 310734), (610, 295452), (696, 258945), (732, 246210), (849, 212280), (870, 207156), (915, 196968), (1044, 172630), (1098, 164140), (1132, 159210), (1160, 155367), (1220, 147726), (1305, 138104), (1415, 127368), (1464, 123105), (1698, 106140), (1740, 103578), (1769, 101880), (1830, 98484), (2088, 86315), (2196, 82070), (2264, 79605), (2440, 73863), (2547, 70760), (2610, 69052), (2745, 65656), (2830, 63684), (3396, 53070), (3480, 51789), (3538, 50940), (3660, 49242), (4245, 42456), (4392, 41035), (5094, 35380), (5220, 34526), (5307, 33960), (5490, 32828), (5660, 31842), (6792, 26535), (7076, 25470), (7320, 24621), (8207, 21960), (8490, 21228), (8845, 20376), (10188, 17690), (10440, 17263), (10614, 16980), (10980, 16414), (11320, 15921), (12735, 14152)]