240949980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1564

約数の個数: 144

約数和(自身を含む): 780998400

約数和(自身を除く): 540048420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 522, 558, 580, 620, 870, 899, 930, 1044, 1116, 1305, 1395, 1489, 1740, 1798, 1860, 2610, 2697, 2790, 2978, 3596, 4467, 4495, 5220, 5394, 5580, 5956, 7445, 8091, 8934, 8990, 10788, 13401, 13485, 14890, 16182, 17868, 17980, 22335, 26802, 26970, 29780, 32364, 40455, 43181, 44670, 46159, 53604, 53940, 67005, 80910, 86362, 89340, 92318, 129543, 134010, 138477, 161820, 172724, 184636, 215905, 230795, 259086, 268020, 276954, 388629, 415431, 431810, 461590, 518172, 553908, 647715, 692385, 777258, 830862, 863620, 923180, 1295430, 1338611, 1384770, 1554516, 1661724, 1943145, 2077155, 2590860, 2677222, 2769540, 3886290, 4015833, 4154310, 5354444, 6693055, 7772580, 8031666, 8308620, 12047499, 13386110, 16063332, 20079165, 24094998, 26772220, 40158330, 48189996, 60237495, 80316660, 120474990, 240949980]

約数ペア:

[(1, 240949980), (2, 120474990), (3, 80316660), (4, 60237495), (5, 48189996), (6, 40158330), (9, 26772220), (10, 24094998), (12, 20079165), (15, 16063332), (18, 13386110), (20, 12047499), (29, 8308620), (30, 8031666), (31, 7772580), (36, 6693055), (45, 5354444), (58, 4154310), (60, 4015833), (62, 3886290), (87, 2769540), (90, 2677222), (93, 2590860), (116, 2077155), (124, 1943145), (145, 1661724), (155, 1554516), (174, 1384770), (180, 1338611), (186, 1295430), (261, 923180), (279, 863620), (290, 830862), (310, 777258), (348, 692385), (372, 647715), (435, 553908), (465, 518172), (522, 461590), (558, 431810), (580, 415431), (620, 388629), (870, 276954), (899, 268020), (930, 259086), (1044, 230795), (1116, 215905), (1305, 184636), (1395, 172724), (1489, 161820), (1740, 138477), (1798, 134010), (1860, 129543), (2610, 92318), (2697, 89340), (2790, 86362), (2978, 80910), (3596, 67005), (4467, 53940), (4495, 53604), (5220, 46159), (5394, 44670), (5580, 43181), (5956, 40455), (7445, 32364), (8091, 29780), (8934, 26970), (8990, 26802), (10788, 22335), (13401, 17980), (13485, 17868), (14890, 16182)]