1777440

素因数分解:

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

素因数の和:71

約数の個数: 144

約数和(自身を含む): 6689088

約数和(自身を除く): 4911648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 529, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1058, 1104, 1120, 1288, 1380, 1587, 1610, 1680, 1840, 1932, 2116, 2208, 2415, 2576, 2645, 2760, 3174, 3220, 3360, 3680, 3703, 3864, 4232, 4830, 5152, 5290, 5520, 6348, 6440, 7406, 7728, 7935, 8464, 9660, 10580, 11040, 11109, 12696, 12880, 14812, 15456, 15870, 16928, 18515, 19320, 21160, 22218, 25392, 25760, 29624, 31740, 37030, 38640, 42320, 44436, 50784, 55545, 59248, 63480, 74060, 77280, 84640, 88872, 111090, 118496, 126960, 148120, 177744, 222180, 253920, 296240, 355488, 444360, 592480, 888720, 1777440]

約数ペア:

[(1, 1777440), (2, 888720), (3, 592480), (4, 444360), (5, 355488), (6, 296240), (7, 253920), (8, 222180), (10, 177744), (12, 148120), (14, 126960), (15, 118496), (16, 111090), (20, 88872), (21, 84640), (23, 77280), (24, 74060), (28, 63480), (30, 59248), (32, 55545), (35, 50784), (40, 44436), (42, 42320), (46, 38640), (48, 37030), (56, 31740), (60, 29624), (69, 25760), (70, 25392), (80, 22218), (84, 21160), (92, 19320), (96, 18515), (105, 16928), (112, 15870), (115, 15456), (120, 14812), (138, 12880), (140, 12696), (160, 11109), (161, 11040), (168, 10580), (184, 9660), (210, 8464), (224, 7935), (230, 7728), (240, 7406), (276, 6440), (280, 6348), (322, 5520), (336, 5290), (345, 5152), (368, 4830), (420, 4232), (460, 3864), (480, 3703), (483, 3680), (529, 3360), (552, 3220), (560, 3174), (644, 2760), (672, 2645), (690, 2576), (736, 2415), (805, 2208), (840, 2116), (920, 1932), (966, 1840), (1058, 1680), (1104, 1610), (1120, 1587), (1288, 1380)]