81040320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1523

約数の個数: 168

約数和(自身を含む): 293613840

約数和(自身を除く): 212573520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 456, 480, 570, 576, 608, 684, 720, 760, 855, 912, 960, 1140, 1216, 1368, 1440, 1481, 1520, 1710, 1824, 2280, 2736, 2880, 2962, 3040, 3420, 3648, 4443, 4560, 5472, 5924, 6080, 6840, 7405, 8886, 9120, 10944, 11848, 13329, 13680, 14810, 17772, 18240, 22215, 23696, 26658, 27360, 28139, 29620, 35544, 44430, 47392, 53316, 54720, 56278, 59240, 66645, 71088, 84417, 88860, 94784, 106632, 112556, 118480, 133290, 140695, 142176, 168834, 177720, 213264, 225112, 236960, 253251, 266580, 281390, 284352, 337668, 355440, 422085, 426528, 450224, 473920, 506502, 533160, 562780, 675336, 710880, 844170, 853056, 900448, 1013004, 1066320, 1125560, 1266255, 1350672, 1421760, 1688340, 1800896, 2026008, 2132640, 2251120, 2532510, 2701344, 3376680, 4052016, 4265280, 4502240, 5065020, 5402688, 6753360, 8104032, 9004480, 10130040, 13506720, 16208064, 20260080, 27013440, 40520160, 81040320]

約数ペア:

[(1, 81040320), (2, 40520160), (3, 27013440), (4, 20260080), (5, 16208064), (6, 13506720), (8, 10130040), (9, 9004480), (10, 8104032), (12, 6753360), (15, 5402688), (16, 5065020), (18, 4502240), (19, 4265280), (20, 4052016), (24, 3376680), (30, 2701344), (32, 2532510), (36, 2251120), (38, 2132640), (40, 2026008), (45, 1800896), (48, 1688340), (57, 1421760), (60, 1350672), (64, 1266255), (72, 1125560), (76, 1066320), (80, 1013004), (90, 900448), (95, 853056), (96, 844170), (114, 710880), (120, 675336), (144, 562780), (152, 533160), (160, 506502), (171, 473920), (180, 450224), (190, 426528), (192, 422085), (228, 355440), (240, 337668), (285, 284352), (288, 281390), (304, 266580), (320, 253251), (342, 236960), (360, 225112), (380, 213264), (456, 177720), (480, 168834), (570, 142176), (576, 140695), (608, 133290), (684, 118480), (720, 112556), (760, 106632), (855, 94784), (912, 88860), (960, 84417), (1140, 71088), (1216, 66645), (1368, 59240), (1440, 56278), (1481, 54720), (1520, 53316), (1710, 47392), (1824, 44430), (2280, 35544), (2736, 29620), (2880, 28139), (2962, 27360), (3040, 26658), (3420, 23696), (3648, 22215), (4443, 18240), (4560, 17772), (5472, 14810), (5924, 13680), (6080, 13329), (6840, 11848), (7405, 10944), (8886, 9120)]