128386020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1279}}^1$

素因数の和:1537

約数の個数: 96

約数和(自身を含む): 412876800

約数和(自身を除く): 284490780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 956, 1195, 1279, 1434, 1673, 2390, 2558, 2868, 3346, 3585, 3837, 4780, 5019, 5116, 6395, 6692, 7170, 7674, 8365, 8953, 10038, 12790, 14340, 15348, 16730, 17906, 19185, 20076, 25095, 25580, 26859, 33460, 35812, 38370, 44765, 50190, 53718, 76740, 89530, 100380, 107436, 134295, 179060, 268590, 305681, 537180, 611362, 917043, 1222724, 1528405, 1834086, 2139767, 3056810, 3668172, 4279534, 4585215, 6113620, 6419301, 8559068, 9170430, 10698835, 12838602, 18340860, 21397670, 25677204, 32096505, 42795340, 64193010, 128386020]

約数ペア:

[(1, 128386020), (2, 64193010), (3, 42795340), (4, 32096505), (5, 25677204), (6, 21397670), (7, 18340860), (10, 12838602), (12, 10698835), (14, 9170430), (15, 8559068), (20, 6419301), (21, 6113620), (28, 4585215), (30, 4279534), (35, 3668172), (42, 3056810), (60, 2139767), (70, 1834086), (84, 1528405), (105, 1222724), (140, 917043), (210, 611362), (239, 537180), (420, 305681), (478, 268590), (717, 179060), (956, 134295), (1195, 107436), (1279, 100380), (1434, 89530), (1673, 76740), (2390, 53718), (2558, 50190), (2868, 44765), (3346, 38370), (3585, 35812), (3837, 33460), (4780, 26859), (5019, 25580), (5116, 25095), (6395, 20076), (6692, 19185), (7170, 17906), (7674, 16730), (8365, 15348), (8953, 14340), (10038, 12790)]