213203120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 584962560

約数和(自身を除く): 371759440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 260, 272, 310, 340, 389, 403, 442, 496, 520, 527, 620, 680, 778, 806, 884, 1040, 1054, 1105, 1240, 1360, 1556, 1612, 1768, 1945, 2015, 2108, 2210, 2480, 2635, 3112, 3224, 3536, 3890, 4030, 4216, 4420, 5057, 5270, 6224, 6448, 6613, 6851, 7780, 8060, 8432, 8840, 10114, 10540, 12059, 13226, 13702, 15560, 16120, 17680, 20228, 21080, 24118, 25285, 26452, 27404, 31120, 32240, 33065, 34255, 40456, 42160, 48236, 50570, 52904, 54808, 60295, 66130, 68510, 80912, 85969, 96472, 101140, 105808, 109616, 120590, 132260, 137020, 156767, 171938, 192944, 202280, 205003, 241180, 264520, 274040, 313534, 343876, 404560, 410006, 429845, 482360, 529040, 548080, 627068, 687752, 783835, 820012, 859690, 964720, 1025015, 1254136, 1375504, 1567670, 1640024, 1719380, 2050030, 2508272, 2665039, 3135340, 3280048, 3438760, 4100060, 5330078, 6270680, 6877520, 8200120, 10660156, 12541360, 13325195, 16400240, 21320312, 26650390, 42640624, 53300780, 106601560, 213203120]

約数ペア:

[(1, 213203120), (2, 106601560), (4, 53300780), (5, 42640624), (8, 26650390), (10, 21320312), (13, 16400240), (16, 13325195), (17, 12541360), (20, 10660156), (26, 8200120), (31, 6877520), (34, 6270680), (40, 5330078), (52, 4100060), (62, 3438760), (65, 3280048), (68, 3135340), (80, 2665039), (85, 2508272), (104, 2050030), (124, 1719380), (130, 1640024), (136, 1567670), (155, 1375504), (170, 1254136), (208, 1025015), (221, 964720), (248, 859690), (260, 820012), (272, 783835), (310, 687752), (340, 627068), (389, 548080), (403, 529040), (442, 482360), (496, 429845), (520, 410006), (527, 404560), (620, 343876), (680, 313534), (778, 274040), (806, 264520), (884, 241180), (1040, 205003), (1054, 202280), (1105, 192944), (1240, 171938), (1360, 156767), (1556, 137020), (1612, 132260), (1768, 120590), (1945, 109616), (2015, 105808), (2108, 101140), (2210, 96472), (2480, 85969), (2635, 80912), (3112, 68510), (3224, 66130), (3536, 60295), (3890, 54808), (4030, 52904), (4216, 50570), (4420, 48236), (5057, 42160), (5270, 40456), (6224, 34255), (6448, 33065), (6613, 32240), (6851, 31120), (7780, 27404), (8060, 26452), (8432, 25285), (8840, 24118), (10114, 21080), (10540, 20228), (12059, 17680), (13226, 16120), (13702, 15560)]