81528450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 212129280

約数和(自身を除く): 130600830

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 89, 93, 150, 155, 178, 186, 197, 267, 310, 394, 445, 465, 534, 591, 775, 890, 930, 985, 1182, 1335, 1550, 1970, 2225, 2325, 2670, 2759, 2955, 4450, 4650, 4925, 5518, 5910, 6107, 6675, 8277, 9850, 12214, 13350, 13795, 14775, 16554, 17533, 18321, 27590, 29550, 30535, 35066, 36642, 41385, 52599, 61070, 68975, 82770, 87665, 91605, 105198, 137950, 152675, 175330, 183210, 206925, 262995, 305350, 413850, 438325, 458025, 525990, 543523, 876650, 916050, 1087046, 1314975, 1630569, 2629950, 2717615, 3261138, 5435230, 8152845, 13588075, 16305690, 27176150, 40764225, 81528450]

約数ペア:

[(1, 81528450), (2, 40764225), (3, 27176150), (5, 16305690), (6, 13588075), (10, 8152845), (15, 5435230), (25, 3261138), (30, 2717615), (31, 2629950), (50, 1630569), (62, 1314975), (75, 1087046), (89, 916050), (93, 876650), (150, 543523), (155, 525990), (178, 458025), (186, 438325), (197, 413850), (267, 305350), (310, 262995), (394, 206925), (445, 183210), (465, 175330), (534, 152675), (591, 137950), (775, 105198), (890, 91605), (930, 87665), (985, 82770), (1182, 68975), (1335, 61070), (1550, 52599), (1970, 41385), (2225, 36642), (2325, 35066), (2670, 30535), (2759, 29550), (2955, 27590), (4450, 18321), (4650, 17533), (4925, 16554), (5518, 14775), (5910, 13795), (6107, 13350), (6675, 12214), (8277, 9850)]