30751920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 160

約数和(自身を含む): 110707200

約数和(自身を除く): 79955280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 619, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1238, 1242, 1380, 1656, 1840, 1857, 2070, 2160, 2476, 2484, 2760, 3095, 3105, 3312, 3714, 4140, 4952, 4968, 5520, 5571, 6190, 6210, 7428, 8280, 9285, 9904, 9936, 11142, 12380, 12420, 14237, 14856, 16560, 16713, 18570, 22284, 24760, 24840, 27855, 28474, 29712, 33426, 37140, 42711, 44568, 49520, 49680, 55710, 56948, 66852, 71185, 74280, 83565, 85422, 89136, 111420, 113896, 128133, 133704, 142370, 148560, 167130, 170844, 213555, 222840, 227792, 256266, 267408, 284740, 334260, 341688, 384399, 427110, 445680, 512532, 569480, 640665, 668520, 683376, 768798, 854220, 1025064, 1138960, 1281330, 1337040, 1537596, 1708440, 1921995, 2050128, 2562660, 3075192, 3416880, 3843990, 5125320, 6150384, 7687980, 10250640, 15375960, 30751920]

約数ペア:

[(1, 30751920), (2, 15375960), (3, 10250640), (4, 7687980), (5, 6150384), (6, 5125320), (8, 3843990), (9, 3416880), (10, 3075192), (12, 2562660), (15, 2050128), (16, 1921995), (18, 1708440), (20, 1537596), (23, 1337040), (24, 1281330), (27, 1138960), (30, 1025064), (36, 854220), (40, 768798), (45, 683376), (46, 668520), (48, 640665), (54, 569480), (60, 512532), (69, 445680), (72, 427110), (80, 384399), (90, 341688), (92, 334260), (108, 284740), (115, 267408), (120, 256266), (135, 227792), (138, 222840), (144, 213555), (180, 170844), (184, 167130), (207, 148560), (216, 142370), (230, 133704), (240, 128133), (270, 113896), (276, 111420), (345, 89136), (360, 85422), (368, 83565), (414, 74280), (432, 71185), (460, 66852), (540, 56948), (552, 55710), (619, 49680), (621, 49520), (690, 44568), (720, 42711), (828, 37140), (920, 33426), (1035, 29712), (1080, 28474), (1104, 27855), (1238, 24840), (1242, 24760), (1380, 22284), (1656, 18570), (1840, 16713), (1857, 16560), (2070, 14856), (2160, 14237), (2476, 12420), (2484, 12380), (2760, 11142), (3095, 9936), (3105, 9904), (3312, 9285), (3714, 8280), (4140, 7428), (4952, 6210), (4968, 6190), (5520, 5571)]