81003120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:591

約数の個数: 160

約数和(自身を含む): 278982144

約数和(自身を除く): 197979024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 110, 120, 122, 132, 165, 176, 183, 220, 240, 244, 264, 305, 330, 366, 440, 488, 503, 528, 610, 660, 671, 732, 880, 915, 976, 1006, 1220, 1320, 1342, 1464, 1509, 1830, 2012, 2013, 2440, 2515, 2640, 2684, 2928, 3018, 3355, 3660, 4024, 4026, 4880, 5030, 5368, 5533, 6036, 6710, 7320, 7545, 8048, 8052, 10060, 10065, 10736, 11066, 12072, 13420, 14640, 15090, 16104, 16599, 20120, 20130, 22132, 24144, 26840, 27665, 30180, 30683, 32208, 33198, 40240, 40260, 44264, 53680, 55330, 60360, 61366, 66396, 80520, 82995, 88528, 92049, 110660, 120720, 122732, 132792, 153415, 161040, 165990, 184098, 221320, 245464, 265584, 306830, 331980, 337513, 368196, 442640, 460245, 490928, 613660, 663960, 675026, 736392, 920490, 1012539, 1227320, 1327920, 1350052, 1472784, 1687565, 1840980, 2025078, 2454640, 2700104, 3375130, 3681960, 4050156, 5062695, 5400208, 6750260, 7363920, 8100312, 10125390, 13500520, 16200624, 20250780, 27001040, 40501560, 81003120]

約数ペア:

[(1, 81003120), (2, 40501560), (3, 27001040), (4, 20250780), (5, 16200624), (6, 13500520), (8, 10125390), (10, 8100312), (11, 7363920), (12, 6750260), (15, 5400208), (16, 5062695), (20, 4050156), (22, 3681960), (24, 3375130), (30, 2700104), (33, 2454640), (40, 2025078), (44, 1840980), (48, 1687565), (55, 1472784), (60, 1350052), (61, 1327920), (66, 1227320), (80, 1012539), (88, 920490), (110, 736392), (120, 675026), (122, 663960), (132, 613660), (165, 490928), (176, 460245), (183, 442640), (220, 368196), (240, 337513), (244, 331980), (264, 306830), (305, 265584), (330, 245464), (366, 221320), (440, 184098), (488, 165990), (503, 161040), (528, 153415), (610, 132792), (660, 122732), (671, 120720), (732, 110660), (880, 92049), (915, 88528), (976, 82995), (1006, 80520), (1220, 66396), (1320, 61366), (1342, 60360), (1464, 55330), (1509, 53680), (1830, 44264), (2012, 40260), (2013, 40240), (2440, 33198), (2515, 32208), (2640, 30683), (2684, 30180), (2928, 27665), (3018, 26840), (3355, 24144), (3660, 22132), (4024, 20130), (4026, 20120), (4880, 16599), (5030, 16104), (5368, 15090), (5533, 14640), (6036, 13420), (6710, 12072), (7320, 11066), (7545, 10736), (8048, 10065), (8052, 10060)]