55179990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 160458480

約数和(自身を除く): 105278490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 30, 38, 45, 46, 57, 61, 69, 90, 95, 114, 115, 122, 138, 171, 183, 190, 207, 230, 285, 305, 342, 345, 366, 414, 437, 529, 549, 570, 610, 690, 855, 874, 915, 1035, 1058, 1098, 1159, 1311, 1403, 1587, 1710, 1830, 2070, 2185, 2318, 2622, 2645, 2745, 2806, 3174, 3477, 3933, 4209, 4370, 4761, 5290, 5490, 5795, 6555, 6954, 7015, 7866, 7935, 8418, 9522, 10051, 10431, 11590, 12627, 13110, 14030, 15870, 17385, 19665, 20102, 20862, 21045, 23805, 25254, 26657, 30153, 32269, 34770, 39330, 42090, 47610, 50255, 52155, 53314, 60306, 63135, 64538, 79971, 90459, 96807, 100510, 104310, 126270, 133285, 150765, 159942, 161345, 180918, 193614, 239913, 266570, 290421, 301530, 322690, 399855, 452295, 479826, 484035, 580842, 613111, 799710, 904590, 968070, 1199565, 1226222, 1452105, 1839333, 2399130, 2904210, 3065555, 3678666, 5517999, 6131110, 9196665, 11035998, 18393330, 27589995, 55179990]

約数ペア:

[(1, 55179990), (2, 27589995), (3, 18393330), (5, 11035998), (6, 9196665), (9, 6131110), (10, 5517999), (15, 3678666), (18, 3065555), (19, 2904210), (23, 2399130), (30, 1839333), (38, 1452105), (45, 1226222), (46, 1199565), (57, 968070), (61, 904590), (69, 799710), (90, 613111), (95, 580842), (114, 484035), (115, 479826), (122, 452295), (138, 399855), (171, 322690), (183, 301530), (190, 290421), (207, 266570), (230, 239913), (285, 193614), (305, 180918), (342, 161345), (345, 159942), (366, 150765), (414, 133285), (437, 126270), (529, 104310), (549, 100510), (570, 96807), (610, 90459), (690, 79971), (855, 64538), (874, 63135), (915, 60306), (1035, 53314), (1058, 52155), (1098, 50255), (1159, 47610), (1311, 42090), (1403, 39330), (1587, 34770), (1710, 32269), (1830, 30153), (2070, 26657), (2185, 25254), (2318, 23805), (2622, 21045), (2645, 20862), (2745, 20102), (2806, 19665), (3174, 17385), (3477, 15870), (3933, 14030), (4209, 13110), (4370, 12627), (4761, 11590), (5290, 10431), (5490, 10051), (5795, 9522), (6555, 8418), (6954, 7935), (7015, 7866)]