263340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 144

約数和(自身を含む): 1048320

約数和(自身を除く): 784980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 28, 30, 33, 35, 36, 38, 42, 44, 45, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 110, 114, 126, 132, 133, 140, 154, 165, 171, 180, 190, 198, 209, 210, 220, 228, 231, 252, 266, 285, 308, 315, 330, 342, 380, 385, 396, 399, 418, 420, 462, 495, 532, 570, 627, 630, 660, 665, 684, 693, 770, 798, 836, 855, 924, 990, 1045, 1140, 1155, 1197, 1254, 1260, 1330, 1386, 1463, 1540, 1596, 1710, 1881, 1980, 1995, 2090, 2310, 2394, 2508, 2660, 2772, 2926, 3135, 3420, 3465, 3762, 3990, 4180, 4389, 4620, 4788, 5852, 5985, 6270, 6930, 7315, 7524, 7980, 8778, 9405, 11970, 12540, 13167, 13860, 14630, 17556, 18810, 21945, 23940, 26334, 29260, 37620, 43890, 52668, 65835, 87780, 131670, 263340]

約数ペア:

[(1, 263340), (2, 131670), (3, 87780), (4, 65835), (5, 52668), (6, 43890), (7, 37620), (9, 29260), (10, 26334), (11, 23940), (12, 21945), (14, 18810), (15, 17556), (18, 14630), (19, 13860), (20, 13167), (21, 12540), (22, 11970), (28, 9405), (30, 8778), (33, 7980), (35, 7524), (36, 7315), (38, 6930), (42, 6270), (44, 5985), (45, 5852), (55, 4788), (57, 4620), (60, 4389), (63, 4180), (66, 3990), (70, 3762), (76, 3465), (77, 3420), (84, 3135), (90, 2926), (95, 2772), (99, 2660), (105, 2508), (110, 2394), (114, 2310), (126, 2090), (132, 1995), (133, 1980), (140, 1881), (154, 1710), (165, 1596), (171, 1540), (180, 1463), (190, 1386), (198, 1330), (209, 1260), (210, 1254), (220, 1197), (228, 1155), (231, 1140), (252, 1045), (266, 990), (285, 924), (308, 855), (315, 836), (330, 798), (342, 770), (380, 693), (385, 684), (396, 665), (399, 660), (418, 630), (420, 627), (462, 570), (495, 532)]