221319840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:555

約数の個数: 192

約数和(自身を含む): 803174400

約数和(自身を除く): 581854560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 199, 210, 224, 240, 280, 331, 336, 398, 420, 480, 560, 597, 662, 672, 796, 840, 993, 995, 1120, 1194, 1324, 1393, 1592, 1655, 1680, 1986, 1990, 2317, 2388, 2648, 2786, 2985, 3184, 3310, 3360, 3972, 3980, 4179, 4634, 4776, 4965, 5296, 5572, 5970, 6368, 6620, 6951, 6965, 7944, 7960, 8358, 9268, 9552, 9930, 10592, 11144, 11585, 11940, 13240, 13902, 13930, 15888, 15920, 16716, 18536, 19104, 19860, 20895, 22288, 23170, 23880, 26480, 27804, 27860, 31776, 31840, 33432, 34755, 37072, 39720, 41790, 44576, 46340, 47760, 52960, 55608, 55720, 65869, 66864, 69510, 74144, 79440, 83580, 92680, 95520, 111216, 111440, 131738, 133728, 139020, 158880, 167160, 185360, 197607, 222432, 222880, 263476, 278040, 329345, 334320, 370720, 395214, 461083, 526952, 556080, 658690, 668640, 790428, 922166, 988035, 1053904, 1112160, 1317380, 1383249, 1580856, 1844332, 1976070, 2107808, 2305415, 2634760, 2766498, 3161712, 3688664, 3952140, 4610830, 5269520, 5532996, 6323424, 6916245, 7377328, 7904280, 9221660, 10539040, 11065992, 13832490, 14754656, 15808560, 18443320, 22131984, 27664980, 31617120, 36886640, 44263968, 55329960, 73773280, 110659920, 221319840]

約数ペア:

[(1, 221319840), (2, 110659920), (3, 73773280), (4, 55329960), (5, 44263968), (6, 36886640), (7, 31617120), (8, 27664980), (10, 22131984), (12, 18443320), (14, 15808560), (15, 14754656), (16, 13832490), (20, 11065992), (21, 10539040), (24, 9221660), (28, 7904280), (30, 7377328), (32, 6916245), (35, 6323424), (40, 5532996), (42, 5269520), (48, 4610830), (56, 3952140), (60, 3688664), (70, 3161712), (80, 2766498), (84, 2634760), (96, 2305415), (105, 2107808), (112, 1976070), (120, 1844332), (140, 1580856), (160, 1383249), (168, 1317380), (199, 1112160), (210, 1053904), (224, 988035), (240, 922166), (280, 790428), (331, 668640), (336, 658690), (398, 556080), (420, 526952), (480, 461083), (560, 395214), (597, 370720), (662, 334320), (672, 329345), (796, 278040), (840, 263476), (993, 222880), (995, 222432), (1120, 197607), (1194, 185360), (1324, 167160), (1393, 158880), (1592, 139020), (1655, 133728), (1680, 131738), (1986, 111440), (1990, 111216), (2317, 95520), (2388, 92680), (2648, 83580), (2786, 79440), (2985, 74144), (3184, 69510), (3310, 66864), (3360, 65869), (3972, 55720), (3980, 55608), (4179, 52960), (4634, 47760), (4776, 46340), (4965, 44576), (5296, 41790), (5572, 39720), (5970, 37072), (6368, 34755), (6620, 33432), (6951, 31840), (6965, 31776), (7944, 27860), (7960, 27804), (8358, 26480), (9268, 23880), (9552, 23170), (9930, 22288), (10592, 20895), (11144, 19860), (11585, 19104), (11940, 18536), (13240, 16716), (13902, 15920), (13930, 15888)]