638086320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5437}}^1$

素因数の和:5619

約数の個数: 120

約数和(自身を含む): 2156449776

約数和(自身を除く): 1518363456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1467, 1630, 1956, 2445, 2608, 2934, 3260, 3912, 4890, 5437, 5868, 6520, 7335, 7824, 9780, 10874, 11736, 13040, 14670, 16311, 19560, 21748, 23472, 27185, 29340, 32622, 39120, 43496, 48933, 54370, 58680, 65244, 81555, 86992, 97866, 108740, 117360, 130488, 163110, 195732, 217480, 244665, 260976, 326220, 391464, 434960, 489330, 652440, 782928, 886231, 978660, 1304880, 1772462, 1957320, 2658693, 3544924, 3914640, 4431155, 5317386, 7089848, 7976079, 8862310, 10634772, 13293465, 14179696, 15952158, 17724620, 21269544, 26586930, 31904316, 35449240, 39880395, 42539088, 53173860, 63808632, 70898480, 79760790, 106347720, 127617264, 159521580, 212695440, 319043160, 638086320]

約数ペア:

[(1, 638086320), (2, 319043160), (3, 212695440), (4, 159521580), (5, 127617264), (6, 106347720), (8, 79760790), (9, 70898480), (10, 63808632), (12, 53173860), (15, 42539088), (16, 39880395), (18, 35449240), (20, 31904316), (24, 26586930), (30, 21269544), (36, 17724620), (40, 15952158), (45, 14179696), (48, 13293465), (60, 10634772), (72, 8862310), (80, 7976079), (90, 7089848), (120, 5317386), (144, 4431155), (163, 3914640), (180, 3544924), (240, 2658693), (326, 1957320), (360, 1772462), (489, 1304880), (652, 978660), (720, 886231), (815, 782928), (978, 652440), (1304, 489330), (1467, 434960), (1630, 391464), (1956, 326220), (2445, 260976), (2608, 244665), (2934, 217480), (3260, 195732), (3912, 163110), (4890, 130488), (5437, 117360), (5868, 108740), (6520, 97866), (7335, 86992), (7824, 81555), (9780, 65244), (10874, 58680), (11736, 54370), (13040, 48933), (14670, 43496), (16311, 39120), (19560, 32622), (21748, 29340), (23472, 27185)]