71864780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 175271040

約数和(自身を除く): 103406260

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 71, 85, 130, 142, 170, 221, 229, 260, 284, 340, 355, 442, 458, 710, 884, 916, 923, 1105, 1145, 1207, 1420, 1846, 2210, 2290, 2414, 2977, 3692, 3893, 4420, 4580, 4615, 4828, 5954, 6035, 7786, 9230, 11908, 12070, 14885, 15572, 15691, 16259, 18460, 19465, 24140, 29770, 31382, 32518, 38930, 50609, 59540, 62764, 65036, 77860, 78455, 81295, 101218, 156910, 162590, 202436, 211367, 253045, 276403, 313820, 325180, 422734, 506090, 552806, 845468, 1012180, 1056835, 1105612, 1382015, 2113670, 2764030, 3593239, 4227340, 5528060, 7186478, 14372956, 17966195, 35932390, 71864780]

約数ペア:

[(1, 71864780), (2, 35932390), (4, 17966195), (5, 14372956), (10, 7186478), (13, 5528060), (17, 4227340), (20, 3593239), (26, 2764030), (34, 2113670), (52, 1382015), (65, 1105612), (68, 1056835), (71, 1012180), (85, 845468), (130, 552806), (142, 506090), (170, 422734), (221, 325180), (229, 313820), (260, 276403), (284, 253045), (340, 211367), (355, 202436), (442, 162590), (458, 156910), (710, 101218), (884, 81295), (916, 78455), (923, 77860), (1105, 65036), (1145, 62764), (1207, 59540), (1420, 50609), (1846, 38930), (2210, 32518), (2290, 31382), (2414, 29770), (2977, 24140), (3692, 19465), (3893, 18460), (4420, 16259), (4580, 15691), (4615, 15572), (4828, 14885), (5954, 12070), (6035, 11908), (7786, 9230)]