821880720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:934

約数の個数: 240

約数和(自身を含む): 2948799360

約数和(自身を除く): 2126918640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 73, 76, 80, 90, 95, 114, 120, 144, 146, 152, 171, 180, 190, 219, 228, 240, 285, 292, 304, 342, 360, 365, 380, 438, 456, 570, 584, 657, 684, 720, 730, 760, 823, 855, 876, 912, 1095, 1140, 1168, 1314, 1368, 1387, 1460, 1520, 1646, 1710, 1752, 2190, 2280, 2469, 2628, 2736, 2774, 2920, 3285, 3292, 3420, 3504, 4115, 4161, 4380, 4560, 4938, 5256, 5548, 5840, 6570, 6584, 6840, 6935, 7407, 8230, 8322, 8760, 9876, 10512, 11096, 12345, 12483, 13140, 13168, 13680, 13870, 14814, 15637, 16460, 16644, 17520, 19752, 20805, 22192, 24690, 24966, 26280, 27740, 29628, 31274, 32920, 33288, 37035, 39504, 41610, 46911, 49380, 49932, 52560, 55480, 59256, 60079, 62415, 62548, 65840, 66576, 74070, 78185, 83220, 93822, 98760, 99864, 110960, 118512, 120158, 124830, 125096, 140733, 148140, 156370, 166440, 180237, 187644, 197520, 199728, 234555, 240316, 249660, 250192, 281466, 296280, 300395, 312740, 332880, 360474, 375288, 469110, 480632, 499320, 540711, 562932, 592560, 600790, 625480, 703665, 720948, 750576, 901185, 938220, 961264, 998640, 1081422, 1125864, 1141501, 1201580, 1250960, 1407330, 1441896, 1802370, 1876440, 2162844, 2251728, 2283002, 2403160, 2703555, 2814660, 2883792, 3424503, 3604740, 3752880, 4325688, 4566004, 4806320, 5407110, 5629320, 5707505, 6849006, 7209480, 8651376, 9132008, 10273509, 10814220, 11258640, 11415010, 13698012, 14418960, 17122515, 18264016, 20547018, 21628440, 22830020, 27396024, 34245030, 41094036, 43256880, 45660040, 51367545, 54792048, 68490060, 82188072, 91320080, 102735090, 136980120, 164376144, 205470180, 273960240, 410940360, 821880720]

約数ペア:

[(1, 821880720), (2, 410940360), (3, 273960240), (4, 205470180), (5, 164376144), (6, 136980120), (8, 102735090), (9, 91320080), (10, 82188072), (12, 68490060), (15, 54792048), (16, 51367545), (18, 45660040), (19, 43256880), (20, 41094036), (24, 34245030), (30, 27396024), (36, 22830020), (38, 21628440), (40, 20547018), (45, 18264016), (48, 17122515), (57, 14418960), (60, 13698012), (72, 11415010), (73, 11258640), (76, 10814220), (80, 10273509), (90, 9132008), (95, 8651376), (114, 7209480), (120, 6849006), (144, 5707505), (146, 5629320), (152, 5407110), (171, 4806320), (180, 4566004), (190, 4325688), (219, 3752880), (228, 3604740), (240, 3424503), (285, 2883792), (292, 2814660), (304, 2703555), (342, 2403160), (360, 2283002), (365, 2251728), (380, 2162844), (438, 1876440), (456, 1802370), (570, 1441896), (584, 1407330), (657, 1250960), (684, 1201580), (720, 1141501), (730, 1125864), (760, 1081422), (823, 998640), (855, 961264), (876, 938220), (912, 901185), (1095, 750576), (1140, 720948), (1168, 703665), (1314, 625480), (1368, 600790), (1387, 592560), (1460, 562932), (1520, 540711), (1646, 499320), (1710, 480632), (1752, 469110), (2190, 375288), (2280, 360474), (2469, 332880), (2628, 312740), (2736, 300395), (2774, 296280), (2920, 281466), (3285, 250192), (3292, 249660), (3420, 240316), (3504, 234555), (4115, 199728), (4161, 197520), (4380, 187644), (4560, 180237), (4938, 166440), (5256, 156370), (5548, 148140), (5840, 140733), (6570, 125096), (6584, 124830), (6840, 120158), (6935, 118512), (7407, 110960), (8230, 99864), (8322, 98760), (8760, 93822), (9876, 83220), (10512, 78185), (11096, 74070), (12345, 66576), (12483, 65840), (13140, 62548), (13168, 62415), (13680, 60079), (13870, 59256), (14814, 55480), (15637, 52560), (16460, 49932), (16644, 49380), (17520, 46911), (19752, 41610), (20805, 39504), (22192, 37035), (24690, 33288), (24966, 32920), (26280, 31274), (27740, 29628)]