15225120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 52972920

約数和(自身を除く): 37747800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 97, 109, 120, 144, 160, 180, 194, 218, 240, 288, 291, 327, 360, 388, 436, 480, 485, 545, 582, 654, 720, 776, 872, 873, 970, 981, 1090, 1164, 1308, 1440, 1455, 1552, 1635, 1744, 1746, 1940, 1962, 2180, 2328, 2616, 2910, 3104, 3270, 3488, 3492, 3880, 3924, 4360, 4365, 4656, 4905, 5232, 5820, 6540, 6984, 7760, 7848, 8720, 8730, 9312, 9810, 10464, 10573, 11640, 13080, 13968, 15520, 15696, 17440, 17460, 19620, 21146, 23280, 26160, 27936, 31392, 31719, 34920, 39240, 42292, 46560, 52320, 52865, 63438, 69840, 78480, 84584, 95157, 105730, 126876, 139680, 156960, 158595, 169168, 190314, 211460, 253752, 317190, 338336, 380628, 422920, 475785, 507504, 634380, 761256, 845840, 951570, 1015008, 1268760, 1522512, 1691680, 1903140, 2537520, 3045024, 3806280, 5075040, 7612560, 15225120]

約数ペア:

[(1, 15225120), (2, 7612560), (3, 5075040), (4, 3806280), (5, 3045024), (6, 2537520), (8, 1903140), (9, 1691680), (10, 1522512), (12, 1268760), (15, 1015008), (16, 951570), (18, 845840), (20, 761256), (24, 634380), (30, 507504), (32, 475785), (36, 422920), (40, 380628), (45, 338336), (48, 317190), (60, 253752), (72, 211460), (80, 190314), (90, 169168), (96, 158595), (97, 156960), (109, 139680), (120, 126876), (144, 105730), (160, 95157), (180, 84584), (194, 78480), (218, 69840), (240, 63438), (288, 52865), (291, 52320), (327, 46560), (360, 42292), (388, 39240), (436, 34920), (480, 31719), (485, 31392), (545, 27936), (582, 26160), (654, 23280), (720, 21146), (776, 19620), (872, 17460), (873, 17440), (970, 15696), (981, 15520), (1090, 13968), (1164, 13080), (1308, 11640), (1440, 10573), (1455, 10464), (1552, 9810), (1635, 9312), (1744, 8730), (1746, 8720), (1940, 7848), (1962, 7760), (2180, 6984), (2328, 6540), (2616, 5820), (2910, 5232), (3104, 4905), (3270, 4656), (3488, 4365), (3492, 4360), (3880, 3924)]