8120280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{1381}}^1$

素因数の和:1409

約数の個数: 96

約数和(自身を含む): 28358640

約数和(自身を除く): 20238360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1381, 1470, 1960, 2762, 2940, 4143, 5524, 5880, 6905, 8286, 9667, 11048, 13810, 16572, 19334, 20715, 27620, 29001, 33144, 38668, 41430, 48335, 55240, 58002, 67669, 77336, 82860, 96670, 116004, 135338, 145005, 165720, 193340, 203007, 232008, 270676, 290010, 338345, 386680, 406014, 541352, 580020, 676690, 812028, 1015035, 1160040, 1353380, 1624056, 2030070, 2706760, 4060140, 8120280]

約数ペア:

[(1, 8120280), (2, 4060140), (3, 2706760), (4, 2030070), (5, 1624056), (6, 1353380), (7, 1160040), (8, 1015035), (10, 812028), (12, 676690), (14, 580020), (15, 541352), (20, 406014), (21, 386680), (24, 338345), (28, 290010), (30, 270676), (35, 232008), (40, 203007), (42, 193340), (49, 165720), (56, 145005), (60, 135338), (70, 116004), (84, 96670), (98, 82860), (105, 77336), (120, 67669), (140, 58002), (147, 55240), (168, 48335), (196, 41430), (210, 38668), (245, 33144), (280, 29001), (294, 27620), (392, 20715), (420, 19334), (490, 16572), (588, 13810), (735, 11048), (840, 9667), (980, 8286), (1176, 6905), (1381, 5880), (1470, 5524), (1960, 4143), (2762, 2940)]