990481248

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5839}}^1$

素因数の和:5905

約数の個数: 144

約数和(自身を含む): 3061094400

約数和(自身を除く): 2070613152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 72, 76, 93, 96, 114, 124, 144, 152, 171, 186, 228, 248, 279, 288, 304, 342, 372, 456, 496, 558, 589, 608, 684, 744, 912, 992, 1116, 1178, 1368, 1488, 1767, 1824, 2232, 2356, 2736, 2976, 3534, 4464, 4712, 5301, 5472, 5839, 7068, 8928, 9424, 10602, 11678, 14136, 17517, 18848, 21204, 23356, 28272, 35034, 42408, 46712, 52551, 56544, 70068, 84816, 93424, 105102, 110941, 140136, 169632, 181009, 186848, 210204, 221882, 280272, 332823, 362018, 420408, 443764, 543027, 560544, 665646, 724036, 840816, 887528, 998469, 1086054, 1331292, 1448072, 1629081, 1681632, 1775056, 1996938, 2172108, 2662584, 2896144, 3258162, 3439171, 3550112, 3993876, 4344216, 5325168, 5792288, 6516324, 6878342, 7987752, 8688432, 10317513, 10650336, 13032648, 13756684, 15975504, 17376864, 20635026, 26065296, 27513368, 30952539, 31951008, 41270052, 52130592, 55026736, 61905078, 82540104, 110053472, 123810156, 165080208, 247620312, 330160416, 495240624, 990481248]

約数ペア:

[(1, 990481248), (2, 495240624), (3, 330160416), (4, 247620312), (6, 165080208), (8, 123810156), (9, 110053472), (12, 82540104), (16, 61905078), (18, 55026736), (19, 52130592), (24, 41270052), (31, 31951008), (32, 30952539), (36, 27513368), (38, 26065296), (48, 20635026), (57, 17376864), (62, 15975504), (72, 13756684), (76, 13032648), (93, 10650336), (96, 10317513), (114, 8688432), (124, 7987752), (144, 6878342), (152, 6516324), (171, 5792288), (186, 5325168), (228, 4344216), (248, 3993876), (279, 3550112), (288, 3439171), (304, 3258162), (342, 2896144), (372, 2662584), (456, 2172108), (496, 1996938), (558, 1775056), (589, 1681632), (608, 1629081), (684, 1448072), (744, 1331292), (912, 1086054), (992, 998469), (1116, 887528), (1178, 840816), (1368, 724036), (1488, 665646), (1767, 560544), (1824, 543027), (2232, 443764), (2356, 420408), (2736, 362018), (2976, 332823), (3534, 280272), (4464, 221882), (4712, 210204), (5301, 186848), (5472, 181009), (5839, 169632), (7068, 140136), (8928, 110941), (9424, 105102), (10602, 93424), (11678, 84816), (14136, 70068), (17517, 56544), (18848, 52551), (21204, 46712), (23356, 42408), (28272, 35034)]