91081980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 304353504

約数和(自身を除く): 213271524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 198, 220, 293, 314, 330, 396, 471, 495, 586, 628, 660, 785, 879, 942, 990, 1172, 1413, 1465, 1570, 1727, 1758, 1884, 1980, 2355, 2637, 2826, 2930, 3140, 3223, 3454, 3516, 4395, 4710, 5181, 5274, 5652, 5860, 6446, 6908, 7065, 8635, 8790, 9420, 9669, 10362, 10548, 12892, 13185, 14130, 15543, 16115, 17270, 17580, 19338, 20724, 25905, 26370, 28260, 29007, 31086, 32230, 34540, 38676, 46001, 48345, 51810, 52740, 58014, 62172, 64460, 77715, 92002, 96690, 103620, 116028, 138003, 145035, 155430, 184004, 193380, 230005, 276006, 290070, 310860, 414009, 460010, 506011, 552012, 580140, 690015, 828018, 920020, 1012022, 1380030, 1518033, 1656036, 2024044, 2070045, 2530055, 2760060, 3036066, 4140090, 4554099, 5060110, 6072132, 7590165, 8280180, 9108198, 10120220, 15180330, 18216396, 22770495, 30360660, 45540990, 91081980]

約数ペア:

[(1, 91081980), (2, 45540990), (3, 30360660), (4, 22770495), (5, 18216396), (6, 15180330), (9, 10120220), (10, 9108198), (11, 8280180), (12, 7590165), (15, 6072132), (18, 5060110), (20, 4554099), (22, 4140090), (30, 3036066), (33, 2760060), (36, 2530055), (44, 2070045), (45, 2024044), (55, 1656036), (60, 1518033), (66, 1380030), (90, 1012022), (99, 920020), (110, 828018), (132, 690015), (157, 580140), (165, 552012), (180, 506011), (198, 460010), (220, 414009), (293, 310860), (314, 290070), (330, 276006), (396, 230005), (471, 193380), (495, 184004), (586, 155430), (628, 145035), (660, 138003), (785, 116028), (879, 103620), (942, 96690), (990, 92002), (1172, 77715), (1413, 64460), (1465, 62172), (1570, 58014), (1727, 52740), (1758, 51810), (1884, 48345), (1980, 46001), (2355, 38676), (2637, 34540), (2826, 32230), (2930, 31086), (3140, 29007), (3223, 28260), (3454, 26370), (3516, 25905), (4395, 20724), (4710, 19338), (5181, 17580), (5274, 17270), (5652, 16115), (5860, 15543), (6446, 14130), (6908, 13185), (7065, 12892), (8635, 10548), (8790, 10362), (9420, 9669)]