7621740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 27675648

約数和(自身を除く): 20053908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 263, 276, 315, 322, 345, 414, 420, 460, 483, 526, 630, 644, 690, 789, 805, 828, 966, 1035, 1052, 1260, 1315, 1380, 1449, 1578, 1610, 1841, 1932, 2070, 2367, 2415, 2630, 2898, 3156, 3220, 3682, 3945, 4140, 4734, 4830, 5260, 5523, 5796, 6049, 7245, 7364, 7890, 9205, 9468, 9660, 11046, 11835, 12098, 14490, 15780, 16569, 18147, 18410, 22092, 23670, 24196, 27615, 28980, 30245, 33138, 36294, 36820, 42343, 47340, 54441, 55230, 60490, 66276, 72588, 82845, 84686, 90735, 108882, 110460, 120980, 127029, 165690, 169372, 181470, 211715, 217764, 254058, 272205, 331380, 362940, 381087, 423430, 508116, 544410, 635145, 762174, 846860, 1088820, 1270290, 1524348, 1905435, 2540580, 3810870, 7621740]

約数ペア:

[(1, 7621740), (2, 3810870), (3, 2540580), (4, 1905435), (5, 1524348), (6, 1270290), (7, 1088820), (9, 846860), (10, 762174), (12, 635145), (14, 544410), (15, 508116), (18, 423430), (20, 381087), (21, 362940), (23, 331380), (28, 272205), (30, 254058), (35, 217764), (36, 211715), (42, 181470), (45, 169372), (46, 165690), (60, 127029), (63, 120980), (69, 110460), (70, 108882), (84, 90735), (90, 84686), (92, 82845), (105, 72588), (115, 66276), (126, 60490), (138, 55230), (140, 54441), (161, 47340), (180, 42343), (207, 36820), (210, 36294), (230, 33138), (252, 30245), (263, 28980), (276, 27615), (315, 24196), (322, 23670), (345, 22092), (414, 18410), (420, 18147), (460, 16569), (483, 15780), (526, 14490), (630, 12098), (644, 11835), (690, 11046), (789, 9660), (805, 9468), (828, 9205), (966, 7890), (1035, 7364), (1052, 7245), (1260, 6049), (1315, 5796), (1380, 5523), (1449, 5260), (1578, 4830), (1610, 4734), (1841, 4140), (1932, 3945), (2070, 3682), (2367, 3220), (2415, 3156), (2630, 2898)]