1277957640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4139}}^1$

素因数の和:4267

約数の個数: 128

約数和(自身を含む): 4006195200

約数和(自身を除く): 2728237560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 120, 124, 155, 166, 186, 248, 249, 310, 332, 372, 415, 465, 498, 620, 664, 744, 830, 930, 996, 1240, 1245, 1660, 1860, 1992, 2490, 2573, 3320, 3720, 4139, 4980, 5146, 7719, 8278, 9960, 10292, 12417, 12865, 15438, 16556, 20584, 20695, 24834, 25730, 30876, 33112, 38595, 41390, 49668, 51460, 61752, 62085, 77190, 82780, 99336, 102920, 124170, 128309, 154380, 165560, 248340, 256618, 308760, 343537, 384927, 496680, 513236, 641545, 687074, 769854, 1026472, 1030611, 1283090, 1374148, 1539708, 1717685, 1924635, 2061222, 2566180, 2748296, 3079416, 3435370, 3849270, 4122444, 5132360, 5153055, 6870740, 7698540, 8244888, 10306110, 10649647, 13741480, 15397080, 20612220, 21299294, 31948941, 41224440, 42598588, 53248235, 63897882, 85197176, 106496470, 127795764, 159744705, 212992940, 255591528, 319489410, 425985880, 638978820, 1277957640]

約数ペア:

[(1, 1277957640), (2, 638978820), (3, 425985880), (4, 319489410), (5, 255591528), (6, 212992940), (8, 159744705), (10, 127795764), (12, 106496470), (15, 85197176), (20, 63897882), (24, 53248235), (30, 42598588), (31, 41224440), (40, 31948941), (60, 21299294), (62, 20612220), (83, 15397080), (93, 13741480), (120, 10649647), (124, 10306110), (155, 8244888), (166, 7698540), (186, 6870740), (248, 5153055), (249, 5132360), (310, 4122444), (332, 3849270), (372, 3435370), (415, 3079416), (465, 2748296), (498, 2566180), (620, 2061222), (664, 1924635), (744, 1717685), (830, 1539708), (930, 1374148), (996, 1283090), (1240, 1030611), (1245, 1026472), (1660, 769854), (1860, 687074), (1992, 641545), (2490, 513236), (2573, 496680), (3320, 384927), (3720, 343537), (4139, 308760), (4980, 256618), (5146, 248340), (7719, 165560), (8278, 154380), (9960, 128309), (10292, 124170), (12417, 102920), (12865, 99336), (15438, 82780), (16556, 77190), (20584, 62085), (20695, 61752), (24834, 51460), (25730, 49668), (30876, 41390), (33112, 38595)]