660245440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 168

約数和(自身を含む): 1725198480

約数和(自身を除く): 1064953040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 113, 124, 152, 155, 160, 190, 226, 248, 304, 310, 320, 380, 452, 496, 565, 589, 608, 620, 760, 904, 961, 992, 1130, 1178, 1216, 1240, 1520, 1808, 1922, 1984, 2147, 2260, 2356, 2480, 2945, 3040, 3503, 3616, 3844, 4294, 4520, 4712, 4805, 4960, 5890, 6080, 7006, 7232, 7688, 8588, 9040, 9424, 9610, 9920, 10735, 11780, 14012, 15376, 17176, 17515, 18080, 18259, 18848, 19220, 21470, 23560, 28024, 30752, 34352, 35030, 36160, 36518, 37696, 38440, 42940, 47120, 56048, 61504, 66557, 68704, 70060, 73036, 76880, 85880, 91295, 94240, 108593, 112096, 133114, 137408, 140120, 146072, 153760, 171760, 182590, 188480, 217186, 224192, 266228, 280240, 292144, 307520, 332785, 343520, 365180, 434372, 532456, 542965, 560480, 584288, 665570, 687040, 730360, 868744, 1064912, 1085930, 1120960, 1168576, 1331140, 1460720, 1737488, 2063267, 2129824, 2171860, 2662280, 2921440, 3474976, 4126534, 4259648, 4343720, 5324560, 5842880, 6949952, 8253068, 8687440, 10316335, 10649120, 16506136, 17374880, 20632670, 21298240, 33012272, 34749760, 41265340, 66024544, 82530680, 132049088, 165061360, 330122720, 660245440]

約数ペア:

[(1, 660245440), (2, 330122720), (4, 165061360), (5, 132049088), (8, 82530680), (10, 66024544), (16, 41265340), (19, 34749760), (20, 33012272), (31, 21298240), (32, 20632670), (38, 17374880), (40, 16506136), (62, 10649120), (64, 10316335), (76, 8687440), (80, 8253068), (95, 6949952), (113, 5842880), (124, 5324560), (152, 4343720), (155, 4259648), (160, 4126534), (190, 3474976), (226, 2921440), (248, 2662280), (304, 2171860), (310, 2129824), (320, 2063267), (380, 1737488), (452, 1460720), (496, 1331140), (565, 1168576), (589, 1120960), (608, 1085930), (620, 1064912), (760, 868744), (904, 730360), (961, 687040), (992, 665570), (1130, 584288), (1178, 560480), (1216, 542965), (1240, 532456), (1520, 434372), (1808, 365180), (1922, 343520), (1984, 332785), (2147, 307520), (2260, 292144), (2356, 280240), (2480, 266228), (2945, 224192), (3040, 217186), (3503, 188480), (3616, 182590), (3844, 171760), (4294, 153760), (4520, 146072), (4712, 140120), (4805, 137408), (4960, 133114), (5890, 112096), (6080, 108593), (7006, 94240), (7232, 91295), (7688, 85880), (8588, 76880), (9040, 73036), (9424, 70060), (9610, 68704), (9920, 66557), (10735, 61504), (11780, 56048), (14012, 47120), (15376, 42940), (17176, 38440), (17515, 37696), (18080, 36518), (18259, 36160), (18848, 35030), (19220, 34352), (21470, 30752), (23560, 28024)]