171711960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{557}}^1$

素因数の和:945

約数の個数: 128

約数和(自身を含む): 591390720

約数和(自身を除く): 419678760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 367, 420, 557, 734, 840, 1101, 1114, 1468, 1671, 1835, 2202, 2228, 2569, 2785, 2936, 3342, 3670, 3899, 4404, 4456, 5138, 5505, 5570, 6684, 7340, 7707, 7798, 8355, 8808, 10276, 11010, 11140, 11697, 12845, 13368, 14680, 15414, 15596, 16710, 19495, 20552, 22020, 22280, 23394, 25690, 30828, 31192, 33420, 38535, 38990, 44040, 46788, 51380, 58485, 61656, 66840, 77070, 77980, 93576, 102760, 116970, 154140, 155960, 204419, 233940, 308280, 408838, 467880, 613257, 817676, 1022095, 1226514, 1430933, 1635352, 2044190, 2453028, 2861866, 3066285, 4088380, 4292799, 4906056, 5723732, 6132570, 7154665, 8176760, 8585598, 11447464, 12265140, 14309330, 17171196, 21463995, 24530280, 28618660, 34342392, 42927990, 57237320, 85855980, 171711960]

約数ペア:

[(1, 171711960), (2, 85855980), (3, 57237320), (4, 42927990), (5, 34342392), (6, 28618660), (7, 24530280), (8, 21463995), (10, 17171196), (12, 14309330), (14, 12265140), (15, 11447464), (20, 8585598), (21, 8176760), (24, 7154665), (28, 6132570), (30, 5723732), (35, 4906056), (40, 4292799), (42, 4088380), (56, 3066285), (60, 2861866), (70, 2453028), (84, 2044190), (105, 1635352), (120, 1430933), (140, 1226514), (168, 1022095), (210, 817676), (280, 613257), (367, 467880), (420, 408838), (557, 308280), (734, 233940), (840, 204419), (1101, 155960), (1114, 154140), (1468, 116970), (1671, 102760), (1835, 93576), (2202, 77980), (2228, 77070), (2569, 66840), (2785, 61656), (2936, 58485), (3342, 51380), (3670, 46788), (3899, 44040), (4404, 38990), (4456, 38535), (5138, 33420), (5505, 31192), (5570, 30828), (6684, 25690), (7340, 23394), (7707, 22280), (7798, 22020), (8355, 20552), (8808, 19495), (10276, 16710), (11010, 15596), (11140, 15414), (11697, 14680), (12845, 13368)]