90171960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:957

約数の個数: 128

約数和(自身を含む): 290234880

約数和(自身を除く): 200062920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 883, 888, 920, 1110, 1380, 1480, 1702, 1766, 2220, 2553, 2649, 2760, 3404, 3532, 4255, 4415, 4440, 5106, 5298, 6808, 7064, 8510, 8830, 10212, 10596, 12765, 13245, 17020, 17660, 20309, 20424, 21192, 25530, 26490, 32671, 34040, 35320, 40618, 51060, 52980, 60927, 65342, 81236, 98013, 101545, 102120, 105960, 121854, 130684, 162472, 163355, 196026, 203090, 243708, 261368, 304635, 326710, 392052, 406180, 487416, 490065, 609270, 653420, 751433, 784104, 812360, 980130, 1218540, 1306840, 1502866, 1960260, 2254299, 2437080, 3005732, 3757165, 3920520, 4508598, 6011464, 7514330, 9017196, 11271495, 15028660, 18034392, 22542990, 30057320, 45085980, 90171960]

約数ペア:

[(1, 90171960), (2, 45085980), (3, 30057320), (4, 22542990), (5, 18034392), (6, 15028660), (8, 11271495), (10, 9017196), (12, 7514330), (15, 6011464), (20, 4508598), (23, 3920520), (24, 3757165), (30, 3005732), (37, 2437080), (40, 2254299), (46, 1960260), (60, 1502866), (69, 1306840), (74, 1218540), (92, 980130), (111, 812360), (115, 784104), (120, 751433), (138, 653420), (148, 609270), (184, 490065), (185, 487416), (222, 406180), (230, 392052), (276, 326710), (296, 304635), (345, 261368), (370, 243708), (444, 203090), (460, 196026), (552, 163355), (555, 162472), (690, 130684), (740, 121854), (851, 105960), (883, 102120), (888, 101545), (920, 98013), (1110, 81236), (1380, 65342), (1480, 60927), (1702, 52980), (1766, 51060), (2220, 40618), (2553, 35320), (2649, 34040), (2760, 32671), (3404, 26490), (3532, 25530), (4255, 21192), (4415, 20424), (4440, 20309), (5106, 17660), (5298, 17020), (6808, 13245), (7064, 12765), (8510, 10596), (8830, 10212)]