220990320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9951

約数の個数: 120

約数和(自身を含む): 766177152

約数和(自身を除く): 545186832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9901, 11160, 19802, 22320, 29703, 39604, 49505, 59406, 79208, 89109, 99010, 118812, 148515, 158416, 178218, 198020, 237624, 297030, 306931, 356436, 396040, 445545, 475248, 594060, 613862, 712872, 792080, 891090, 920793, 1188120, 1227724, 1425744, 1534655, 1782180, 1841586, 2376240, 2455448, 2762379, 3069310, 3564360, 3683172, 4603965, 4910896, 5524758, 6138620, 7128720, 7366344, 9207930, 11049516, 12277240, 13811895, 14732688, 18415860, 22099032, 24554480, 27623790, 36831720, 44198064, 55247580, 73663440, 110495160, 220990320]

約数ペア:

[(1, 220990320), (2, 110495160), (3, 73663440), (4, 55247580), (5, 44198064), (6, 36831720), (8, 27623790), (9, 24554480), (10, 22099032), (12, 18415860), (15, 14732688), (16, 13811895), (18, 12277240), (20, 11049516), (24, 9207930), (30, 7366344), (31, 7128720), (36, 6138620), (40, 5524758), (45, 4910896), (48, 4603965), (60, 3683172), (62, 3564360), (72, 3069310), (80, 2762379), (90, 2455448), (93, 2376240), (120, 1841586), (124, 1782180), (144, 1534655), (155, 1425744), (180, 1227724), (186, 1188120), (240, 920793), (248, 891090), (279, 792080), (310, 712872), (360, 613862), (372, 594060), (465, 475248), (496, 445545), (558, 396040), (620, 356436), (720, 306931), (744, 297030), (930, 237624), (1116, 198020), (1240, 178218), (1395, 158416), (1488, 148515), (1860, 118812), (2232, 99010), (2480, 89109), (2790, 79208), (3720, 59406), (4464, 49505), (5580, 39604), (7440, 29703), (9901, 22320), (11160, 19802)]