240253520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 647958528

約数和(自身を除く): 407705008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 107, 127, 130, 136, 170, 208, 214, 221, 254, 260, 272, 340, 428, 442, 508, 520, 535, 635, 680, 856, 884, 1016, 1040, 1070, 1105, 1270, 1360, 1391, 1651, 1712, 1768, 1819, 2032, 2140, 2159, 2210, 2540, 2782, 3302, 3536, 3638, 4280, 4318, 4420, 5080, 5564, 6604, 6955, 7276, 8255, 8560, 8636, 8840, 9095, 10160, 10795, 11128, 13208, 13589, 13910, 14552, 16510, 17272, 17680, 18190, 21590, 22256, 23647, 26416, 27178, 27820, 28067, 29104, 33020, 34544, 36380, 43180, 47294, 54356, 55640, 56134, 66040, 67945, 72760, 86360, 94588, 108712, 111280, 112268, 118235, 132080, 135890, 140335, 145520, 172720, 176657, 189176, 217424, 224536, 231013, 236470, 271780, 280670, 353314, 378352, 449072, 462026, 472940, 543560, 561340, 706628, 883285, 924052, 945880, 1087120, 1122680, 1155065, 1413256, 1766570, 1848104, 1891760, 2245360, 2310130, 2826512, 3003169, 3533140, 3696208, 4620260, 6006338, 7066280, 9240520, 12012676, 14132560, 15015845, 18481040, 24025352, 30031690, 48050704, 60063380, 120126760, 240253520]

約数ペア:

[(1, 240253520), (2, 120126760), (4, 60063380), (5, 48050704), (8, 30031690), (10, 24025352), (13, 18481040), (16, 15015845), (17, 14132560), (20, 12012676), (26, 9240520), (34, 7066280), (40, 6006338), (52, 4620260), (65, 3696208), (68, 3533140), (80, 3003169), (85, 2826512), (104, 2310130), (107, 2245360), (127, 1891760), (130, 1848104), (136, 1766570), (170, 1413256), (208, 1155065), (214, 1122680), (221, 1087120), (254, 945880), (260, 924052), (272, 883285), (340, 706628), (428, 561340), (442, 543560), (508, 472940), (520, 462026), (535, 449072), (635, 378352), (680, 353314), (856, 280670), (884, 271780), (1016, 236470), (1040, 231013), (1070, 224536), (1105, 217424), (1270, 189176), (1360, 176657), (1391, 172720), (1651, 145520), (1712, 140335), (1768, 135890), (1819, 132080), (2032, 118235), (2140, 112268), (2159, 111280), (2210, 108712), (2540, 94588), (2782, 86360), (3302, 72760), (3536, 67945), (3638, 66040), (4280, 56134), (4318, 55640), (4420, 54356), (5080, 47294), (5564, 43180), (6604, 36380), (6955, 34544), (7276, 33020), (8255, 29104), (8560, 28067), (8636, 27820), (8840, 27178), (9095, 26416), (10160, 23647), (10795, 22256), (11128, 21590), (13208, 18190), (13589, 17680), (13910, 17272), (14552, 16510)]