77440020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3923}}^1$

素因数の和:3989

約数の個数: 96

約数和(自身を含む): 253145088

約数和(自身を除く): 175705068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3923, 3948, 4935, 6580, 7846, 9870, 11769, 15692, 19615, 19740, 23538, 27461, 39230, 47076, 54922, 58845, 78460, 82383, 109844, 117690, 137305, 164766, 184381, 235380, 274610, 329532, 368762, 411915, 549220, 553143, 737524, 823830, 921905, 1106286, 1290667, 1647660, 1843810, 2212572, 2581334, 2765715, 3687620, 3872001, 5162668, 5531430, 6453335, 7744002, 11062860, 12906670, 15488004, 19360005, 25813340, 38720010, 77440020]

約数ペア:

[(1, 77440020), (2, 38720010), (3, 25813340), (4, 19360005), (5, 15488004), (6, 12906670), (7, 11062860), (10, 7744002), (12, 6453335), (14, 5531430), (15, 5162668), (20, 3872001), (21, 3687620), (28, 2765715), (30, 2581334), (35, 2212572), (42, 1843810), (47, 1647660), (60, 1290667), (70, 1106286), (84, 921905), (94, 823830), (105, 737524), (140, 553143), (141, 549220), (188, 411915), (210, 368762), (235, 329532), (282, 274610), (329, 235380), (420, 184381), (470, 164766), (564, 137305), (658, 117690), (705, 109844), (940, 82383), (987, 78460), (1316, 58845), (1410, 54922), (1645, 47076), (1974, 39230), (2820, 27461), (3290, 23538), (3923, 19740), (3948, 19615), (4935, 15692), (6580, 11769), (7846, 9870)]