18145063840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{6211}}^1$

素因数の和:6307

約数の個数: 144

約数和(自身を含む): 46633980960

約数和(自身を除く): 28488917120

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, 248, 304, 310, 380, 496, 589, 608, 620, 760, 961, 992, 1178, 1240, 1520, 1922, 2356, 2480, 2945, 3040, 3844, 4712, 4805, 4960, 5890, 6211, 7688, 9424, 9610, 11780, 12422, 15376, 18259, 18848, 19220, 23560, 24844, 30752, 31055, 36518, 38440, 47120, 49688, 62110, 73036, 76880, 91295, 94240, 99376, 118009, 124220, 146072, 153760, 182590, 192541, 198752, 236018, 248440, 292144, 365180, 385082, 472036, 496880, 584288, 590045, 730360, 770164, 944072, 962705, 993760, 1180090, 1460720, 1540328, 1888144, 1925410, 2360180, 2921440, 3080656, 3658279, 3776288, 3850820, 4720360, 5968771, 6161312, 7316558, 7701640, 9440720, 11937542, 14633116, 15403280, 18291395, 18881440, 23875084, 29266232, 29843855, 30806560, 36582790, 47750168, 58532464, 59687710, 73165580, 95500336, 113406649, 117064928, 119375420, 146331160, 191000672, 226813298, 238750840, 292662320, 453626596, 477501680, 567033245, 585324640, 907253192, 955003360, 1134066490, 1814506384, 2268132980, 3629012768, 4536265960, 9072531920, 18145063840]

約数ペア:

[(1, 18145063840), (2, 9072531920), (4, 4536265960), (5, 3629012768), (8, 2268132980), (10, 1814506384), (16, 1134066490), (19, 955003360), (20, 907253192), (31, 585324640), (32, 567033245), (38, 477501680), (40, 453626596), (62, 292662320), (76, 238750840), (80, 226813298), (95, 191000672), (124, 146331160), (152, 119375420), (155, 117064928), (160, 113406649), (190, 95500336), (248, 73165580), (304, 59687710), (310, 58532464), (380, 47750168), (496, 36582790), (589, 30806560), (608, 29843855), (620, 29266232), (760, 23875084), (961, 18881440), (992, 18291395), (1178, 15403280), (1240, 14633116), (1520, 11937542), (1922, 9440720), (2356, 7701640), (2480, 7316558), (2945, 6161312), (3040, 5968771), (3844, 4720360), (4712, 3850820), (4805, 3776288), (4960, 3658279), (5890, 3080656), (6211, 2921440), (7688, 2360180), (9424, 1925410), (9610, 1888144), (11780, 1540328), (12422, 1460720), (15376, 1180090), (18259, 993760), (18848, 962705), (19220, 944072), (23560, 770164), (24844, 730360), (30752, 590045), (31055, 584288), (36518, 496880), (38440, 472036), (47120, 385082), (49688, 365180), (62110, 292144), (73036, 248440), (76880, 236018), (91295, 198752), (94240, 192541), (99376, 182590), (118009, 153760), (124220, 146072)]