217721040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 240

約数和(自身を含む): 743696448

約数和(自身を除く): 525975408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 43, 48, 51, 60, 68, 73, 80, 85, 86, 102, 120, 129, 136, 146, 170, 172, 204, 215, 219, 240, 255, 258, 272, 289, 292, 340, 344, 365, 408, 430, 438, 510, 516, 578, 584, 645, 680, 688, 730, 731, 816, 860, 867, 876, 1020, 1032, 1095, 1156, 1168, 1241, 1290, 1360, 1445, 1460, 1462, 1720, 1734, 1752, 2040, 2064, 2190, 2193, 2312, 2482, 2580, 2890, 2920, 2924, 3139, 3440, 3468, 3504, 3655, 3723, 4080, 4335, 4380, 4386, 4624, 4964, 5160, 5780, 5840, 5848, 6205, 6278, 6936, 7310, 7446, 8670, 8760, 8772, 9417, 9928, 10320, 10965, 11560, 11696, 12410, 12427, 12556, 13872, 14620, 14892, 15695, 17340, 17520, 17544, 18615, 18834, 19856, 21097, 21930, 23120, 24820, 24854, 25112, 29240, 29784, 31390, 34680, 35088, 37230, 37281, 37668, 42194, 43860, 47085, 49640, 49708, 50224, 53363, 58480, 59568, 62135, 62780, 63291, 69360, 74460, 74562, 75336, 84388, 87720, 94170, 99280, 99416, 105485, 106726, 124270, 125560, 126582, 148920, 149124, 150672, 160089, 168776, 175440, 186405, 188340, 198832, 210970, 213452, 248540, 251120, 253164, 266815, 297840, 298248, 316455, 320178, 337552, 372810, 376680, 421940, 426904, 497080, 506328, 533630, 596496, 632910, 640356, 745620, 753360, 800445, 843880, 853808, 907171, 994160, 1012656, 1067260, 1265820, 1280712, 1491240, 1600890, 1687760, 1814342, 2134520, 2531640, 2561424, 2721513, 2982480, 3201780, 3628684, 4269040, 4535855, 5063280, 5443026, 6403560, 7257368, 9071710, 10886052, 12807120, 13607565, 14514736, 18143420, 21772104, 27215130, 36286840, 43544208, 54430260, 72573680, 108860520, 217721040]

約数ペア:

[(1, 217721040), (2, 108860520), (3, 72573680), (4, 54430260), (5, 43544208), (6, 36286840), (8, 27215130), (10, 21772104), (12, 18143420), (15, 14514736), (16, 13607565), (17, 12807120), (20, 10886052), (24, 9071710), (30, 7257368), (34, 6403560), (40, 5443026), (43, 5063280), (48, 4535855), (51, 4269040), (60, 3628684), (68, 3201780), (73, 2982480), (80, 2721513), (85, 2561424), (86, 2531640), (102, 2134520), (120, 1814342), (129, 1687760), (136, 1600890), (146, 1491240), (170, 1280712), (172, 1265820), (204, 1067260), (215, 1012656), (219, 994160), (240, 907171), (255, 853808), (258, 843880), (272, 800445), (289, 753360), (292, 745620), (340, 640356), (344, 632910), (365, 596496), (408, 533630), (430, 506328), (438, 497080), (510, 426904), (516, 421940), (578, 376680), (584, 372810), (645, 337552), (680, 320178), (688, 316455), (730, 298248), (731, 297840), (816, 266815), (860, 253164), (867, 251120), (876, 248540), (1020, 213452), (1032, 210970), (1095, 198832), (1156, 188340), (1168, 186405), (1241, 175440), (1290, 168776), (1360, 160089), (1445, 150672), (1460, 149124), (1462, 148920), (1720, 126582), (1734, 125560), (1752, 124270), (2040, 106726), (2064, 105485), (2190, 99416), (2193, 99280), (2312, 94170), (2482, 87720), (2580, 84388), (2890, 75336), (2920, 74562), (2924, 74460), (3139, 69360), (3440, 63291), (3468, 62780), (3504, 62135), (3655, 59568), (3723, 58480), (4080, 53363), (4335, 50224), (4380, 49708), (4386, 49640), (4624, 47085), (4964, 43860), (5160, 42194), (5780, 37668), (5840, 37281), (5848, 37230), (6205, 35088), (6278, 34680), (6936, 31390), (7310, 29784), (7446, 29240), (8670, 25112), (8760, 24854), (8772, 24820), (9417, 23120), (9928, 21930), (10320, 21097), (10965, 19856), (11560, 18834), (11696, 18615), (12410, 17544), (12427, 17520), (12556, 17340), (13872, 15695), (14620, 14892)]