616423840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 1591500960

約数和(自身を除く): 975077120

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, 211, 248, 304, 310, 380, 422, 496, 589, 608, 620, 760, 844, 961, 992, 1055, 1178, 1240, 1520, 1688, 1922, 2110, 2356, 2480, 2945, 3040, 3376, 3844, 4009, 4220, 4712, 4805, 4960, 5890, 6541, 6752, 7688, 8018, 8440, 9424, 9610, 11780, 13082, 15376, 16036, 16880, 18259, 18848, 19220, 20045, 23560, 26164, 30752, 32072, 32705, 33760, 36518, 38440, 40090, 47120, 52328, 64144, 65410, 73036, 76880, 80180, 91295, 94240, 104656, 124279, 128288, 130820, 146072, 153760, 160360, 182590, 202771, 209312, 248558, 261640, 292144, 320720, 365180, 405542, 497116, 523280, 584288, 621395, 641440, 730360, 811084, 994232, 1013855, 1046560, 1242790, 1460720, 1622168, 1988464, 2027710, 2485580, 2921440, 3244336, 3852649, 3976928, 4055420, 4971160, 6488672, 7705298, 8110840, 9942320, 15410596, 16221680, 19263245, 19884640, 30821192, 32443360, 38526490, 61642384, 77052980, 123284768, 154105960, 308211920, 616423840]

約数ペア:

[(1, 616423840), (2, 308211920), (4, 154105960), (5, 123284768), (8, 77052980), (10, 61642384), (16, 38526490), (19, 32443360), (20, 30821192), (31, 19884640), (32, 19263245), (38, 16221680), (40, 15410596), (62, 9942320), (76, 8110840), (80, 7705298), (95, 6488672), (124, 4971160), (152, 4055420), (155, 3976928), (160, 3852649), (190, 3244336), (211, 2921440), (248, 2485580), (304, 2027710), (310, 1988464), (380, 1622168), (422, 1460720), (496, 1242790), (589, 1046560), (608, 1013855), (620, 994232), (760, 811084), (844, 730360), (961, 641440), (992, 621395), (1055, 584288), (1178, 523280), (1240, 497116), (1520, 405542), (1688, 365180), (1922, 320720), (2110, 292144), (2356, 261640), (2480, 248558), (2945, 209312), (3040, 202771), (3376, 182590), (3844, 160360), (4009, 153760), (4220, 146072), (4712, 130820), (4805, 128288), (4960, 124279), (5890, 104656), (6541, 94240), (6752, 91295), (7688, 80180), (8018, 76880), (8440, 73036), (9424, 65410), (9610, 64144), (11780, 52328), (13082, 47120), (15376, 40090), (16036, 38440), (16880, 36518), (18259, 33760), (18848, 32705), (19220, 32072), (20045, 30752), (23560, 26164)]