20081240040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{21031}}^1$

素因数の和:21227

約数の個数: 128

約数和(自身を含む): 61632172800

約数和(自身を除く): 41550932760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 109, 120, 146, 218, 219, 292, 327, 365, 436, 438, 545, 584, 654, 730, 872, 876, 1090, 1095, 1308, 1460, 1635, 1752, 2180, 2190, 2616, 2920, 3270, 4360, 4380, 6540, 7957, 8760, 13080, 15914, 21031, 23871, 31828, 39785, 42062, 47742, 63093, 63656, 79570, 84124, 95484, 105155, 119355, 126186, 159140, 168248, 190968, 210310, 238710, 252372, 315465, 318280, 420620, 477420, 504744, 630930, 841240, 954840, 1261860, 1535263, 2292379, 2523720, 3070526, 4584758, 4605789, 6141052, 6877137, 7676315, 9169516, 9211578, 11461895, 12282104, 13754274, 15352630, 18339032, 18423156, 22923790, 23028945, 27508548, 30705260, 34385685, 36846312, 45847580, 46057890, 55017096, 61410520, 68771370, 91695160, 92115780, 137542740, 167343667, 184231560, 275085480, 334687334, 502031001, 669374668, 836718335, 1004062002, 1338749336, 1673436670, 2008124004, 2510155005, 3346873340, 4016248008, 5020310010, 6693746680, 10040620020, 20081240040]

約数ペア:

[(1, 20081240040), (2, 10040620020), (3, 6693746680), (4, 5020310010), (5, 4016248008), (6, 3346873340), (8, 2510155005), (10, 2008124004), (12, 1673436670), (15, 1338749336), (20, 1004062002), (24, 836718335), (30, 669374668), (40, 502031001), (60, 334687334), (73, 275085480), (109, 184231560), (120, 167343667), (146, 137542740), (218, 92115780), (219, 91695160), (292, 68771370), (327, 61410520), (365, 55017096), (436, 46057890), (438, 45847580), (545, 36846312), (584, 34385685), (654, 30705260), (730, 27508548), (872, 23028945), (876, 22923790), (1090, 18423156), (1095, 18339032), (1308, 15352630), (1460, 13754274), (1635, 12282104), (1752, 11461895), (2180, 9211578), (2190, 9169516), (2616, 7676315), (2920, 6877137), (3270, 6141052), (4360, 4605789), (4380, 4584758), (6540, 3070526), (7957, 2523720), (8760, 2292379), (13080, 1535263), (15914, 1261860), (21031, 954840), (23871, 841240), (31828, 630930), (39785, 504744), (42062, 477420), (47742, 420620), (63093, 318280), (63656, 315465), (79570, 252372), (84124, 238710), (95484, 210310), (105155, 190968), (119355, 168248), (126186, 159140)]