290724840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{16481}}^1$

素因数の和:16512

約数の個数: 144

約数和(自身を含む): 1099184580

約数和(自身を除く): 808459740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 16481, 17640, 32962, 49443, 65924, 82405, 98886, 115367, 131848, 148329, 164810, 197772, 230734, 247215, 296658, 329620, 346101, 395544, 461468, 494430, 576835, 593316, 659240, 692202, 741645, 807569, 922936, 988860, 1038303, 1153670, 1186632, 1384404, 1483290, 1615138, 1730505, 1977720, 2076606, 2307340, 2422707, 2768808, 2966580, 3230276, 3461010, 4037845, 4153212, 4614680, 4845414, 5191515, 5933160, 6460552, 6922020, 7268121, 8075690, 8306424, 9690828, 10383030, 12113535, 13844040, 14536242, 16151380, 19381656, 20766060, 24227070, 29072484, 32302760, 36340605, 41532120, 48454140, 58144968, 72681210, 96908280, 145362420, 290724840]

約数ペア:

[(1, 290724840), (2, 145362420), (3, 96908280), (4, 72681210), (5, 58144968), (6, 48454140), (7, 41532120), (8, 36340605), (9, 32302760), (10, 29072484), (12, 24227070), (14, 20766060), (15, 19381656), (18, 16151380), (20, 14536242), (21, 13844040), (24, 12113535), (28, 10383030), (30, 9690828), (35, 8306424), (36, 8075690), (40, 7268121), (42, 6922020), (45, 6460552), (49, 5933160), (56, 5191515), (60, 4845414), (63, 4614680), (70, 4153212), (72, 4037845), (84, 3461010), (90, 3230276), (98, 2966580), (105, 2768808), (120, 2422707), (126, 2307340), (140, 2076606), (147, 1977720), (168, 1730505), (180, 1615138), (196, 1483290), (210, 1384404), (245, 1186632), (252, 1153670), (280, 1038303), (294, 988860), (315, 922936), (360, 807569), (392, 741645), (420, 692202), (441, 659240), (490, 593316), (504, 576835), (588, 494430), (630, 461468), (735, 395544), (840, 346101), (882, 329620), (980, 296658), (1176, 247215), (1260, 230734), (1470, 197772), (1764, 164810), (1960, 148329), (2205, 131848), (2520, 115367), (2940, 98886), (3528, 82405), (4410, 65924), (5880, 49443), (8820, 32962), (16481, 17640)]