210320040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1103}}^1$

素因数の和:1351

約数の個数: 128

約数和(自身を含む): 724930560

約数和(自身を除く): 514610520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 280, 420, 454, 681, 840, 908, 1103, 1135, 1362, 1589, 1816, 2206, 2270, 2724, 3178, 3309, 3405, 4412, 4540, 4767, 5448, 5515, 6356, 6618, 6810, 7721, 7945, 8824, 9080, 9534, 11030, 12712, 13236, 13620, 15442, 15890, 16545, 19068, 22060, 23163, 23835, 26472, 27240, 30884, 31780, 33090, 38136, 38605, 44120, 46326, 47670, 61768, 63560, 66180, 77210, 92652, 95340, 115815, 132360, 154420, 185304, 190680, 231630, 250381, 308840, 463260, 500762, 751143, 926520, 1001524, 1251905, 1502286, 1752667, 2003048, 2503810, 3004572, 3505334, 3755715, 5007620, 5258001, 6009144, 7010668, 7511430, 8763335, 10015240, 10516002, 14021336, 15022860, 17526670, 21032004, 26290005, 30045720, 35053340, 42064008, 52580010, 70106680, 105160020, 210320040]

約数ペア:

[(1, 210320040), (2, 105160020), (3, 70106680), (4, 52580010), (5, 42064008), (6, 35053340), (7, 30045720), (8, 26290005), (10, 21032004), (12, 17526670), (14, 15022860), (15, 14021336), (20, 10516002), (21, 10015240), (24, 8763335), (28, 7511430), (30, 7010668), (35, 6009144), (40, 5258001), (42, 5007620), (56, 3755715), (60, 3505334), (70, 3004572), (84, 2503810), (105, 2003048), (120, 1752667), (140, 1502286), (168, 1251905), (210, 1001524), (227, 926520), (280, 751143), (420, 500762), (454, 463260), (681, 308840), (840, 250381), (908, 231630), (1103, 190680), (1135, 185304), (1362, 154420), (1589, 132360), (1816, 115815), (2206, 95340), (2270, 92652), (2724, 77210), (3178, 66180), (3309, 63560), (3405, 61768), (4412, 47670), (4540, 46326), (4767, 44120), (5448, 38605), (5515, 38136), (6356, 33090), (6618, 31780), (6810, 30884), (7721, 27240), (7945, 26472), (8824, 23835), (9080, 23163), (9534, 22060), (11030, 19068), (12712, 16545), (13236, 15890), (13620, 15442)]