257190360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1373}}^1$

素因数の和:1617

約数の個数: 128

約数和(自身を含む): 886394880

約数和(自身を除く): 629204520

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, 223, 280, 420, 446, 669, 840, 892, 1115, 1338, 1373, 1561, 1784, 2230, 2676, 2746, 3122, 3345, 4119, 4460, 4683, 5352, 5492, 6244, 6690, 6865, 7805, 8238, 8920, 9366, 9611, 10984, 12488, 13380, 13730, 15610, 16476, 18732, 19222, 20595, 23415, 26760, 27460, 28833, 31220, 32952, 37464, 38444, 41190, 46830, 48055, 54920, 57666, 62440, 76888, 82380, 93660, 96110, 115332, 144165, 164760, 187320, 192220, 230664, 288330, 306179, 384440, 576660, 612358, 918537, 1153320, 1224716, 1530895, 1837074, 2143253, 2449432, 3061790, 3674148, 4286506, 4592685, 6123580, 6429759, 7348296, 8573012, 9185370, 10716265, 12247160, 12859518, 17146024, 18370740, 21432530, 25719036, 32148795, 36741480, 42865060, 51438072, 64297590, 85730120, 128595180, 257190360]

約数ペア:

[(1, 257190360), (2, 128595180), (3, 85730120), (4, 64297590), (5, 51438072), (6, 42865060), (7, 36741480), (8, 32148795), (10, 25719036), (12, 21432530), (14, 18370740), (15, 17146024), (20, 12859518), (21, 12247160), (24, 10716265), (28, 9185370), (30, 8573012), (35, 7348296), (40, 6429759), (42, 6123580), (56, 4592685), (60, 4286506), (70, 3674148), (84, 3061790), (105, 2449432), (120, 2143253), (140, 1837074), (168, 1530895), (210, 1224716), (223, 1153320), (280, 918537), (420, 612358), (446, 576660), (669, 384440), (840, 306179), (892, 288330), (1115, 230664), (1338, 192220), (1373, 187320), (1561, 164760), (1784, 144165), (2230, 115332), (2676, 96110), (2746, 93660), (3122, 82380), (3345, 76888), (4119, 62440), (4460, 57666), (4683, 54920), (5352, 48055), (5492, 46830), (6244, 41190), (6690, 38444), (6865, 37464), (7805, 32952), (8238, 31220), (8920, 28833), (9366, 27460), (9611, 26760), (10984, 23415), (12488, 20595), (13380, 19222), (13730, 18732), (15610, 16476)]