1278943320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13339}}^1$

素因数の和:13417

約数の個数: 128

約数和(自身を含む): 4149273600

約数和(自身を除く): 2870330280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 47, 51, 60, 68, 85, 94, 102, 120, 136, 141, 170, 188, 204, 235, 255, 282, 340, 376, 408, 470, 510, 564, 680, 705, 799, 940, 1020, 1128, 1410, 1598, 1880, 2040, 2397, 2820, 3196, 3995, 4794, 5640, 6392, 7990, 9588, 11985, 13339, 15980, 19176, 23970, 26678, 31960, 40017, 47940, 53356, 66695, 80034, 95880, 106712, 133390, 160068, 200085, 226763, 266780, 320136, 400170, 453526, 533560, 626933, 680289, 800340, 907052, 1133815, 1253866, 1360578, 1600680, 1814104, 1880799, 2267630, 2507732, 2721156, 3134665, 3401445, 3761598, 4535260, 5015464, 5442312, 6269330, 6802890, 7523196, 9070520, 9403995, 10657861, 12538660, 13605780, 15046392, 18807990, 21315722, 25077320, 27211560, 31973583, 37615980, 42631444, 53289305, 63947166, 75231960, 85262888, 106578610, 127894332, 159867915, 213157220, 255788664, 319735830, 426314440, 639471660, 1278943320]

約数ペア:

[(1, 1278943320), (2, 639471660), (3, 426314440), (4, 319735830), (5, 255788664), (6, 213157220), (8, 159867915), (10, 127894332), (12, 106578610), (15, 85262888), (17, 75231960), (20, 63947166), (24, 53289305), (30, 42631444), (34, 37615980), (40, 31973583), (47, 27211560), (51, 25077320), (60, 21315722), (68, 18807990), (85, 15046392), (94, 13605780), (102, 12538660), (120, 10657861), (136, 9403995), (141, 9070520), (170, 7523196), (188, 6802890), (204, 6269330), (235, 5442312), (255, 5015464), (282, 4535260), (340, 3761598), (376, 3401445), (408, 3134665), (470, 2721156), (510, 2507732), (564, 2267630), (680, 1880799), (705, 1814104), (799, 1600680), (940, 1360578), (1020, 1253866), (1128, 1133815), (1410, 907052), (1598, 800340), (1880, 680289), (2040, 626933), (2397, 533560), (2820, 453526), (3196, 400170), (3995, 320136), (4794, 266780), (5640, 226763), (6392, 200085), (7990, 160068), (9588, 133390), (11985, 106712), (13339, 95880), (15980, 80034), (19176, 66695), (23970, 53356), (26678, 47940), (31960, 40017)]