40390560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{4007}}^1$

素因数の和:4035

約数の個数: 144

約数和(自身を含む): 157562496

約数和(自身を除く): 117171936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 4007, 5040, 8014, 10080, 12021, 16028, 20035, 24042, 28049, 32056, 36063, 40070, 48084, 56098, 60105, 64112, 72126, 80140, 84147, 96168, 112196, 120210, 128224, 140245, 144252, 160280, 168294, 180315, 192336, 224392, 240420, 252441, 280490, 288504, 320560, 336588, 360630, 384672, 420735, 448784, 480840, 504882, 560980, 577008, 641120, 673176, 721260, 841470, 897568, 961680, 1009764, 1121960, 1154016, 1262205, 1346352, 1442520, 1682940, 1923360, 2019528, 2243920, 2524410, 2692704, 2885040, 3365880, 4039056, 4487840, 5048820, 5770080, 6731760, 8078112, 10097640, 13463520, 20195280, 40390560]

約数ペア:

[(1, 40390560), (2, 20195280), (3, 13463520), (4, 10097640), (5, 8078112), (6, 6731760), (7, 5770080), (8, 5048820), (9, 4487840), (10, 4039056), (12, 3365880), (14, 2885040), (15, 2692704), (16, 2524410), (18, 2243920), (20, 2019528), (21, 1923360), (24, 1682940), (28, 1442520), (30, 1346352), (32, 1262205), (35, 1154016), (36, 1121960), (40, 1009764), (42, 961680), (45, 897568), (48, 841470), (56, 721260), (60, 673176), (63, 641120), (70, 577008), (72, 560980), (80, 504882), (84, 480840), (90, 448784), (96, 420735), (105, 384672), (112, 360630), (120, 336588), (126, 320560), (140, 288504), (144, 280490), (160, 252441), (168, 240420), (180, 224392), (210, 192336), (224, 180315), (240, 168294), (252, 160280), (280, 144252), (288, 140245), (315, 128224), (336, 120210), (360, 112196), (420, 96168), (480, 84147), (504, 80140), (560, 72126), (630, 64112), (672, 60105), (720, 56098), (840, 48084), (1008, 40070), (1120, 36063), (1260, 32056), (1440, 28049), (1680, 24042), (2016, 20035), (2520, 16028), (3360, 12021), (4007, 10080), (5040, 8014)]