29781080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 81838080

約数和(自身を除く): 52057000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 73, 94, 124, 140, 146, 155, 188, 217, 235, 248, 280, 292, 310, 329, 365, 376, 434, 470, 511, 584, 620, 658, 730, 868, 940, 1022, 1085, 1240, 1316, 1457, 1460, 1645, 1736, 1880, 2044, 2170, 2263, 2555, 2632, 2914, 2920, 3290, 3431, 4088, 4340, 4526, 5110, 5828, 6580, 6862, 7285, 8680, 9052, 10199, 10220, 11315, 11656, 13160, 13724, 14570, 15841, 17155, 18104, 20398, 20440, 22630, 24017, 27448, 29140, 31682, 34310, 40796, 45260, 48034, 50995, 58280, 63364, 68620, 79205, 81592, 90520, 96068, 101990, 106361, 120085, 126728, 137240, 158410, 192136, 203980, 212722, 240170, 316820, 407960, 425444, 480340, 531805, 633640, 744527, 850888, 960680, 1063610, 1489054, 2127220, 2978108, 3722635, 4254440, 5956216, 7445270, 14890540, 29781080]

約数ペア:

[(1, 29781080), (2, 14890540), (4, 7445270), (5, 5956216), (7, 4254440), (8, 3722635), (10, 2978108), (14, 2127220), (20, 1489054), (28, 1063610), (31, 960680), (35, 850888), (40, 744527), (47, 633640), (56, 531805), (62, 480340), (70, 425444), (73, 407960), (94, 316820), (124, 240170), (140, 212722), (146, 203980), (155, 192136), (188, 158410), (217, 137240), (235, 126728), (248, 120085), (280, 106361), (292, 101990), (310, 96068), (329, 90520), (365, 81592), (376, 79205), (434, 68620), (470, 63364), (511, 58280), (584, 50995), (620, 48034), (658, 45260), (730, 40796), (868, 34310), (940, 31682), (1022, 29140), (1085, 27448), (1240, 24017), (1316, 22630), (1457, 20440), (1460, 20398), (1645, 18104), (1736, 17155), (1880, 15841), (2044, 14570), (2170, 13724), (2263, 13160), (2555, 11656), (2632, 11315), (2914, 10220), (2920, 10199), (3290, 9052), (3431, 8680), (4088, 7285), (4340, 6862), (4526, 6580), (5110, 5828)]