81559440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:702

約数の個数: 160

約数和(自身を含む): 285993600

約数和(自身を除く): 204434160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 216, 240, 244, 270, 305, 360, 366, 432, 488, 540, 549, 610, 619, 720, 732, 915, 976, 1080, 1098, 1220, 1238, 1464, 1647, 1830, 1857, 2160, 2196, 2440, 2476, 2745, 2928, 3095, 3294, 3660, 3714, 4392, 4880, 4952, 5490, 5571, 6190, 6588, 7320, 7428, 8235, 8784, 9285, 9904, 10980, 11142, 12380, 13176, 14640, 14856, 16470, 16713, 18570, 21960, 22284, 24760, 26352, 27855, 29712, 32940, 33426, 37140, 37759, 43920, 44568, 49520, 55710, 65880, 66852, 74280, 75518, 83565, 89136, 111420, 113277, 131760, 133704, 148560, 151036, 167130, 188795, 222840, 226554, 267408, 302072, 334260, 339831, 377590, 445680, 453108, 566385, 604144, 668520, 679662, 755180, 906216, 1019493, 1132770, 1337040, 1359324, 1510360, 1699155, 1812432, 2038986, 2265540, 2718648, 3020720, 3398310, 4077972, 4531080, 5097465, 5437296, 6796620, 8155944, 9062160, 10194930, 13593240, 16311888, 20389860, 27186480, 40779720, 81559440]

約数ペア:

[(1, 81559440), (2, 40779720), (3, 27186480), (4, 20389860), (5, 16311888), (6, 13593240), (8, 10194930), (9, 9062160), (10, 8155944), (12, 6796620), (15, 5437296), (16, 5097465), (18, 4531080), (20, 4077972), (24, 3398310), (27, 3020720), (30, 2718648), (36, 2265540), (40, 2038986), (45, 1812432), (48, 1699155), (54, 1510360), (60, 1359324), (61, 1337040), (72, 1132770), (80, 1019493), (90, 906216), (108, 755180), (120, 679662), (122, 668520), (135, 604144), (144, 566385), (180, 453108), (183, 445680), (216, 377590), (240, 339831), (244, 334260), (270, 302072), (305, 267408), (360, 226554), (366, 222840), (432, 188795), (488, 167130), (540, 151036), (549, 148560), (610, 133704), (619, 131760), (720, 113277), (732, 111420), (915, 89136), (976, 83565), (1080, 75518), (1098, 74280), (1220, 66852), (1238, 65880), (1464, 55710), (1647, 49520), (1830, 44568), (1857, 43920), (2160, 37759), (2196, 37140), (2440, 33426), (2476, 32940), (2745, 29712), (2928, 27855), (3095, 26352), (3294, 24760), (3660, 22284), (3714, 21960), (4392, 18570), (4880, 16713), (4952, 16470), (5490, 14856), (5571, 14640), (6190, 13176), (6588, 12380), (7320, 11142), (7428, 10980), (8235, 9904), (8784, 9285)]