2780960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 8128512

約数和(自身を除く): 5347552

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 191, 208, 224, 260, 280, 364, 382, 416, 455, 520, 560, 728, 764, 910, 955, 1040, 1120, 1337, 1456, 1528, 1820, 1910, 2080, 2483, 2674, 2912, 3056, 3640, 3820, 4966, 5348, 6112, 6685, 7280, 7640, 9932, 10696, 12415, 13370, 14560, 15280, 17381, 19864, 21392, 24830, 26740, 30560, 34762, 39728, 42784, 49660, 53480, 69524, 79456, 86905, 99320, 106960, 139048, 173810, 198640, 213920, 278096, 347620, 397280, 556192, 695240, 1390480, 2780960]

約数ペア:

[(1, 2780960), (2, 1390480), (4, 695240), (5, 556192), (7, 397280), (8, 347620), (10, 278096), (13, 213920), (14, 198640), (16, 173810), (20, 139048), (26, 106960), (28, 99320), (32, 86905), (35, 79456), (40, 69524), (52, 53480), (56, 49660), (65, 42784), (70, 39728), (80, 34762), (91, 30560), (104, 26740), (112, 24830), (130, 21392), (140, 19864), (160, 17381), (182, 15280), (191, 14560), (208, 13370), (224, 12415), (260, 10696), (280, 9932), (364, 7640), (382, 7280), (416, 6685), (455, 6112), (520, 5348), (560, 4966), (728, 3820), (764, 3640), (910, 3056), (955, 2912), (1040, 2674), (1120, 2483), (1337, 2080), (1456, 1910), (1528, 1820)]