780276840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40387}}^1$

素因数の和:40431

約数の個数: 128

約数和(自身を含む): 2791618560

約数和(自身を除く): 2011341720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 40387, 80774, 121161, 161548, 201935, 242322, 282709, 323096, 403870, 484644, 565418, 605805, 807740, 848127, 928901, 969288, 1130836, 1211610, 1413545, 1615480, 1696254, 1857802, 2261672, 2423220, 2786703, 2827090, 3392508, 3715604, 4240635, 4644505, 4846440, 5573406, 5654180, 6502307, 6785016, 7431208, 8481270, 9289010, 11146812, 11308360, 13004614, 13933515, 16962540, 18578020, 19506921, 22293624, 26009228, 27867030, 32511535, 33925080, 37156040, 39013842, 52018456, 55734060, 65023070, 78027684, 97534605, 111468120, 130046140, 156055368, 195069210, 260092280, 390138420, 780276840]

約数ペア:

[(1, 780276840), (2, 390138420), (3, 260092280), (4, 195069210), (5, 156055368), (6, 130046140), (7, 111468120), (8, 97534605), (10, 78027684), (12, 65023070), (14, 55734060), (15, 52018456), (20, 39013842), (21, 37156040), (23, 33925080), (24, 32511535), (28, 27867030), (30, 26009228), (35, 22293624), (40, 19506921), (42, 18578020), (46, 16962540), (56, 13933515), (60, 13004614), (69, 11308360), (70, 11146812), (84, 9289010), (92, 8481270), (105, 7431208), (115, 6785016), (120, 6502307), (138, 5654180), (140, 5573406), (161, 4846440), (168, 4644505), (184, 4240635), (210, 3715604), (230, 3392508), (276, 2827090), (280, 2786703), (322, 2423220), (345, 2261672), (420, 1857802), (460, 1696254), (483, 1615480), (552, 1413545), (644, 1211610), (690, 1130836), (805, 969288), (840, 928901), (920, 848127), (966, 807740), (1288, 605805), (1380, 565418), (1610, 484644), (1932, 403870), (2415, 323096), (2760, 282709), (3220, 242322), (3864, 201935), (4830, 161548), (6440, 121161), (9660, 80774), (19320, 40387)]