21301200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 180

約数和(自身を含む): 75907468

約数和(自身を除く): 54606268

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 61, 72, 75, 80, 90, 97, 100, 120, 122, 144, 150, 180, 183, 194, 200, 225, 240, 244, 291, 300, 305, 360, 366, 388, 400, 450, 485, 488, 549, 582, 600, 610, 720, 732, 776, 873, 900, 915, 970, 976, 1098, 1164, 1200, 1220, 1455, 1464, 1525, 1552, 1746, 1800, 1830, 1940, 2196, 2328, 2425, 2440, 2745, 2910, 2928, 3050, 3492, 3600, 3660, 3880, 4365, 4392, 4575, 4656, 4850, 4880, 5490, 5820, 5917, 6100, 6984, 7275, 7320, 7760, 8730, 8784, 9150, 9700, 10980, 11640, 11834, 12200, 13725, 13968, 14550, 14640, 17460, 17751, 18300, 19400, 21825, 21960, 23280, 23668, 24400, 27450, 29100, 29585, 34920, 35502, 36600, 38800, 43650, 43920, 47336, 53253, 54900, 58200, 59170, 69840, 71004, 73200, 87300, 88755, 94672, 106506, 109800, 116400, 118340, 142008, 147925, 174600, 177510, 213012, 219600, 236680, 266265, 284016, 295850, 349200, 355020, 426024, 443775, 473360, 532530, 591700, 710040, 852048, 887550, 1065060, 1183400, 1331325, 1420080, 1775100, 2130120, 2366800, 2662650, 3550200, 4260240, 5325300, 7100400, 10650600, 21301200]

約数ペア:

[(1, 21301200), (2, 10650600), (3, 7100400), (4, 5325300), (5, 4260240), (6, 3550200), (8, 2662650), (9, 2366800), (10, 2130120), (12, 1775100), (15, 1420080), (16, 1331325), (18, 1183400), (20, 1065060), (24, 887550), (25, 852048), (30, 710040), (36, 591700), (40, 532530), (45, 473360), (48, 443775), (50, 426024), (60, 355020), (61, 349200), (72, 295850), (75, 284016), (80, 266265), (90, 236680), (97, 219600), (100, 213012), (120, 177510), (122, 174600), (144, 147925), (150, 142008), (180, 118340), (183, 116400), (194, 109800), (200, 106506), (225, 94672), (240, 88755), (244, 87300), (291, 73200), (300, 71004), (305, 69840), (360, 59170), (366, 58200), (388, 54900), (400, 53253), (450, 47336), (485, 43920), (488, 43650), (549, 38800), (582, 36600), (600, 35502), (610, 34920), (720, 29585), (732, 29100), (776, 27450), (873, 24400), (900, 23668), (915, 23280), (970, 21960), (976, 21825), (1098, 19400), (1164, 18300), (1200, 17751), (1220, 17460), (1455, 14640), (1464, 14550), (1525, 13968), (1552, 13725), (1746, 12200), (1800, 11834), (1830, 11640), (1940, 10980), (2196, 9700), (2328, 9150), (2425, 8784), (2440, 8730), (2745, 7760), (2910, 7320), (2928, 7275), (3050, 6984), (3492, 6100), (3600, 5917), (3660, 5820), (3880, 5490), (4365, 4880), (4392, 4850), (4575, 4656)]