81783360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 168

約数和(自身を含む): 285887160

約数和(自身を除く): 204103800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 192, 219, 240, 288, 292, 320, 360, 365, 389, 438, 480, 576, 584, 657, 720, 730, 778, 876, 960, 1095, 1167, 1168, 1314, 1440, 1460, 1556, 1752, 1945, 2190, 2334, 2336, 2628, 2880, 2920, 3112, 3285, 3501, 3504, 3890, 4380, 4668, 4672, 5256, 5835, 5840, 6224, 6570, 7002, 7008, 7780, 8760, 9336, 10512, 11670, 11680, 12448, 13140, 14004, 14016, 15560, 17505, 17520, 18672, 21024, 23340, 23360, 24896, 26280, 28008, 28397, 31120, 35010, 35040, 37344, 42048, 46680, 52560, 56016, 56794, 62240, 70020, 70080, 74688, 85191, 93360, 105120, 112032, 113588, 124480, 140040, 141985, 170382, 186720, 210240, 224064, 227176, 255573, 280080, 283970, 340764, 373440, 425955, 454352, 511146, 560160, 567940, 681528, 851910, 908704, 1022292, 1120320, 1135880, 1277865, 1363056, 1703820, 1817408, 2044584, 2271760, 2555730, 2726112, 3407640, 4089168, 4543520, 5111460, 5452224, 6815280, 8178336, 9087040, 10222920, 13630560, 16356672, 20445840, 27261120, 40891680, 81783360]

約数ペア:

[(1, 81783360), (2, 40891680), (3, 27261120), (4, 20445840), (5, 16356672), (6, 13630560), (8, 10222920), (9, 9087040), (10, 8178336), (12, 6815280), (15, 5452224), (16, 5111460), (18, 4543520), (20, 4089168), (24, 3407640), (30, 2726112), (32, 2555730), (36, 2271760), (40, 2044584), (45, 1817408), (48, 1703820), (60, 1363056), (64, 1277865), (72, 1135880), (73, 1120320), (80, 1022292), (90, 908704), (96, 851910), (120, 681528), (144, 567940), (146, 560160), (160, 511146), (180, 454352), (192, 425955), (219, 373440), (240, 340764), (288, 283970), (292, 280080), (320, 255573), (360, 227176), (365, 224064), (389, 210240), (438, 186720), (480, 170382), (576, 141985), (584, 140040), (657, 124480), (720, 113588), (730, 112032), (778, 105120), (876, 93360), (960, 85191), (1095, 74688), (1167, 70080), (1168, 70020), (1314, 62240), (1440, 56794), (1460, 56016), (1556, 52560), (1752, 46680), (1945, 42048), (2190, 37344), (2334, 35040), (2336, 35010), (2628, 31120), (2880, 28397), (2920, 28008), (3112, 26280), (3285, 24896), (3501, 23360), (3504, 23340), (3890, 21024), (4380, 18672), (4668, 17520), (4672, 17505), (5256, 15560), (5835, 14016), (5840, 14004), (6224, 13140), (6570, 12448), (7002, 11680), (7008, 11670), (7780, 10512), (8760, 9336)]