81061920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1435

約数の個数: 144

約数和(自身を含む): 283577112

約数和(自身を除く): 202515192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 492, 615, 656, 720, 738, 820, 984, 1230, 1312, 1373, 1440, 1476, 1640, 1845, 1968, 2460, 2746, 2952, 3280, 3690, 3936, 4119, 4920, 5492, 5904, 6560, 6865, 7380, 8238, 9840, 10984, 11808, 12357, 13730, 14760, 16476, 19680, 20595, 21968, 24714, 27460, 29520, 32952, 41190, 43936, 49428, 54920, 56293, 59040, 61785, 65904, 82380, 98856, 109840, 112586, 123570, 131808, 164760, 168879, 197712, 219680, 225172, 247140, 281465, 329520, 337758, 395424, 450344, 494280, 506637, 562930, 659040, 675516, 844395, 900688, 988560, 1013274, 1125860, 1351032, 1688790, 1801376, 1977120, 2026548, 2251720, 2533185, 2702064, 3377580, 4053096, 4503440, 5066370, 5404128, 6755160, 8106192, 9006880, 10132740, 13510320, 16212384, 20265480, 27020640, 40530960, 81061920]

約数ペア:

[(1, 81061920), (2, 40530960), (3, 27020640), (4, 20265480), (5, 16212384), (6, 13510320), (8, 10132740), (9, 9006880), (10, 8106192), (12, 6755160), (15, 5404128), (16, 5066370), (18, 4503440), (20, 4053096), (24, 3377580), (30, 2702064), (32, 2533185), (36, 2251720), (40, 2026548), (41, 1977120), (45, 1801376), (48, 1688790), (60, 1351032), (72, 1125860), (80, 1013274), (82, 988560), (90, 900688), (96, 844395), (120, 675516), (123, 659040), (144, 562930), (160, 506637), (164, 494280), (180, 450344), (205, 395424), (240, 337758), (246, 329520), (288, 281465), (328, 247140), (360, 225172), (369, 219680), (410, 197712), (480, 168879), (492, 164760), (615, 131808), (656, 123570), (720, 112586), (738, 109840), (820, 98856), (984, 82380), (1230, 65904), (1312, 61785), (1373, 59040), (1440, 56293), (1476, 54920), (1640, 49428), (1845, 43936), (1968, 41190), (2460, 32952), (2746, 29520), (2952, 27460), (3280, 24714), (3690, 21968), (3936, 20595), (4119, 19680), (4920, 16476), (5492, 14760), (5904, 13730), (6560, 12357), (6865, 11808), (7380, 10984), (8238, 9840)]