204405840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3889}}^1$

素因数の和:3981

約数の個数: 120

約数和(自身を含む): 696045480

約数和(自身を除く): 491639640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 584, 657, 720, 730, 876, 1095, 1168, 1314, 1460, 1752, 2190, 2628, 2920, 3285, 3504, 3889, 4380, 5256, 5840, 6570, 7778, 8760, 10512, 11667, 13140, 15556, 17520, 19445, 23334, 26280, 31112, 35001, 38890, 46668, 52560, 58335, 62224, 70002, 77780, 93336, 116670, 140004, 155560, 175005, 186672, 233340, 280008, 283897, 311120, 350010, 466680, 560016, 567794, 700020, 851691, 933360, 1135588, 1400040, 1419485, 1703382, 2271176, 2555073, 2800080, 2838970, 3406764, 4258455, 4542352, 5110146, 5677940, 6813528, 8516910, 10220292, 11355880, 12775365, 13627056, 17033820, 20440584, 22711760, 25550730, 34067640, 40881168, 51101460, 68135280, 102202920, 204405840]

約数ペア:

[(1, 204405840), (2, 102202920), (3, 68135280), (4, 51101460), (5, 40881168), (6, 34067640), (8, 25550730), (9, 22711760), (10, 20440584), (12, 17033820), (15, 13627056), (16, 12775365), (18, 11355880), (20, 10220292), (24, 8516910), (30, 6813528), (36, 5677940), (40, 5110146), (45, 4542352), (48, 4258455), (60, 3406764), (72, 2838970), (73, 2800080), (80, 2555073), (90, 2271176), (120, 1703382), (144, 1419485), (146, 1400040), (180, 1135588), (219, 933360), (240, 851691), (292, 700020), (360, 567794), (365, 560016), (438, 466680), (584, 350010), (657, 311120), (720, 283897), (730, 280008), (876, 233340), (1095, 186672), (1168, 175005), (1314, 155560), (1460, 140004), (1752, 116670), (2190, 93336), (2628, 77780), (2920, 70002), (3285, 62224), (3504, 58335), (3889, 52560), (4380, 46668), (5256, 38890), (5840, 35001), (6570, 31112), (7778, 26280), (8760, 23334), (10512, 19445), (11667, 17520), (13140, 15556)]