581366560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 1501416000

約数和(自身を除く): 920049440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 199, 248, 304, 310, 380, 398, 496, 589, 608, 620, 760, 796, 961, 992, 995, 1178, 1240, 1520, 1592, 1922, 1990, 2356, 2480, 2945, 3040, 3184, 3781, 3844, 3980, 4712, 4805, 4960, 5890, 6169, 6368, 7562, 7688, 7960, 9424, 9610, 11780, 12338, 15124, 15376, 15920, 18259, 18848, 18905, 19220, 23560, 24676, 30248, 30752, 30845, 31840, 36518, 37810, 38440, 47120, 49352, 60496, 61690, 73036, 75620, 76880, 91295, 94240, 98704, 117211, 120992, 123380, 146072, 151240, 153760, 182590, 191239, 197408, 234422, 246760, 292144, 302480, 365180, 382478, 468844, 493520, 584288, 586055, 604960, 730360, 764956, 937688, 956195, 987040, 1172110, 1460720, 1529912, 1875376, 1912390, 2344220, 2921440, 3059824, 3633541, 3750752, 3824780, 4688440, 6119648, 7267082, 7649560, 9376880, 14534164, 15299120, 18167705, 18753760, 29068328, 30598240, 36335410, 58136656, 72670820, 116273312, 145341640, 290683280, 581366560]

約数ペア:

[(1, 581366560), (2, 290683280), (4, 145341640), (5, 116273312), (8, 72670820), (10, 58136656), (16, 36335410), (19, 30598240), (20, 29068328), (31, 18753760), (32, 18167705), (38, 15299120), (40, 14534164), (62, 9376880), (76, 7649560), (80, 7267082), (95, 6119648), (124, 4688440), (152, 3824780), (155, 3750752), (160, 3633541), (190, 3059824), (199, 2921440), (248, 2344220), (304, 1912390), (310, 1875376), (380, 1529912), (398, 1460720), (496, 1172110), (589, 987040), (608, 956195), (620, 937688), (760, 764956), (796, 730360), (961, 604960), (992, 586055), (995, 584288), (1178, 493520), (1240, 468844), (1520, 382478), (1592, 365180), (1922, 302480), (1990, 292144), (2356, 246760), (2480, 234422), (2945, 197408), (3040, 191239), (3184, 182590), (3781, 153760), (3844, 151240), (3980, 146072), (4712, 123380), (4805, 120992), (4960, 117211), (5890, 98704), (6169, 94240), (6368, 91295), (7562, 76880), (7688, 75620), (7960, 73036), (9424, 61690), (9610, 60496), (11780, 49352), (12338, 47120), (15124, 38440), (15376, 37810), (15920, 36518), (18259, 31840), (18848, 30845), (18905, 30752), (19220, 30248), (23560, 24676)]