277984140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 144

約数和(自身を含む): 922451712

約数和(自身を除く): 644467572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 787, 812, 841, 870, 1015, 1218, 1574, 1682, 1740, 2030, 2361, 2436, 2523, 3045, 3148, 3364, 3935, 4060, 4205, 4722, 5046, 5509, 5887, 6090, 7870, 8410, 9444, 10092, 11018, 11774, 11805, 12180, 12615, 15740, 16527, 16820, 17661, 22036, 22823, 23548, 23610, 25230, 27545, 29435, 33054, 35322, 45646, 47220, 50460, 55090, 58870, 66108, 68469, 70644, 82635, 88305, 91292, 110180, 114115, 117740, 136938, 159761, 165270, 176610, 228230, 273876, 319522, 330540, 342345, 353220, 456460, 479283, 639044, 661867, 684690, 798805, 958566, 1323734, 1369380, 1597610, 1917132, 1985601, 2396415, 2647468, 3195220, 3309335, 3971202, 4633069, 4792830, 6618670, 7942404, 9266138, 9585660, 9928005, 13237340, 13899207, 18532276, 19856010, 23165345, 27798414, 39712020, 46330690, 55596828, 69496035, 92661380, 138992070, 277984140]

約数ペア:

[(1, 277984140), (2, 138992070), (3, 92661380), (4, 69496035), (5, 55596828), (6, 46330690), (7, 39712020), (10, 27798414), (12, 23165345), (14, 19856010), (15, 18532276), (20, 13899207), (21, 13237340), (28, 9928005), (29, 9585660), (30, 9266138), (35, 7942404), (42, 6618670), (58, 4792830), (60, 4633069), (70, 3971202), (84, 3309335), (87, 3195220), (105, 2647468), (116, 2396415), (140, 1985601), (145, 1917132), (174, 1597610), (203, 1369380), (210, 1323734), (290, 958566), (348, 798805), (406, 684690), (420, 661867), (435, 639044), (580, 479283), (609, 456460), (787, 353220), (812, 342345), (841, 330540), (870, 319522), (1015, 273876), (1218, 228230), (1574, 176610), (1682, 165270), (1740, 159761), (2030, 136938), (2361, 117740), (2436, 114115), (2523, 110180), (3045, 91292), (3148, 88305), (3364, 82635), (3935, 70644), (4060, 68469), (4205, 66108), (4722, 58870), (5046, 55090), (5509, 50460), (5887, 47220), (6090, 45646), (7870, 35322), (8410, 33054), (9444, 29435), (10092, 27545), (11018, 25230), (11774, 23610), (11805, 23548), (12180, 22823), (12615, 22036), (15740, 17661), (16527, 16820)]