87708240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2077

約数の個数: 120

約数和(自身を含む): 299532168

約数和(自身を除く): 211823928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 1997, 2196, 2440, 2745, 2928, 3660, 3994, 4392, 4880, 5490, 5991, 7320, 7988, 8784, 9985, 10980, 11982, 14640, 15976, 17973, 19970, 21960, 23964, 29955, 31952, 35946, 39940, 43920, 47928, 59910, 71892, 79880, 89865, 95856, 119820, 121817, 143784, 159760, 179730, 239640, 243634, 287568, 359460, 365451, 479280, 487268, 609085, 718920, 730902, 974536, 1096353, 1218170, 1437840, 1461804, 1827255, 1949072, 2192706, 2436340, 2923608, 3654510, 4385412, 4872680, 5481765, 5847216, 7309020, 8770824, 9745360, 10963530, 14618040, 17541648, 21927060, 29236080, 43854120, 87708240]

約数ペア:

[(1, 87708240), (2, 43854120), (3, 29236080), (4, 21927060), (5, 17541648), (6, 14618040), (8, 10963530), (9, 9745360), (10, 8770824), (12, 7309020), (15, 5847216), (16, 5481765), (18, 4872680), (20, 4385412), (24, 3654510), (30, 2923608), (36, 2436340), (40, 2192706), (45, 1949072), (48, 1827255), (60, 1461804), (61, 1437840), (72, 1218170), (80, 1096353), (90, 974536), (120, 730902), (122, 718920), (144, 609085), (180, 487268), (183, 479280), (240, 365451), (244, 359460), (305, 287568), (360, 243634), (366, 239640), (488, 179730), (549, 159760), (610, 143784), (720, 121817), (732, 119820), (915, 95856), (976, 89865), (1098, 79880), (1220, 71892), (1464, 59910), (1830, 47928), (1997, 43920), (2196, 39940), (2440, 35946), (2745, 31952), (2928, 29955), (3660, 23964), (3994, 21960), (4392, 19970), (4880, 17973), (5490, 15976), (5991, 14640), (7320, 11982), (7988, 10980), (8784, 9985)]