40404420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{509}}^1$

素因数の和:544

約数の個数: 180

約数和(自身を含む): 147733740

約数和(自身を除く): 107329320

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 509, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1018, 1134, 1260, 1323, 1470, 1527, 1620, 1764, 1890, 2036, 2205, 2268, 2545, 2646, 2835, 2940, 3054, 3563, 3780, 3969, 4410, 4581, 5090, 5292, 5670, 6108, 6615, 7126, 7635, 7938, 8820, 9162, 10180, 10689, 11340, 13230, 13743, 14252, 15270, 15876, 17815, 18324, 19845, 21378, 22905, 24941, 26460, 27486, 30540, 32067, 35630, 39690, 41229, 42756, 45810, 49882, 53445, 54972, 64134, 68715, 71260, 74823, 79380, 82458, 91620, 96201, 99764, 106890, 124705, 128268, 137430, 149646, 160335, 164916, 192402, 206145, 213780, 224469, 249410, 274860, 288603, 299292, 320670, 374115, 384804, 412290, 448938, 481005, 498820, 577206, 641340, 673407, 748230, 824580, 897876, 962010, 1122345, 1154412, 1346814, 1443015, 1496460, 1924020, 2020221, 2244690, 2693628, 2886030, 3367035, 4040442, 4489380, 5772060, 6734070, 8080884, 10101105, 13468140, 20202210, 40404420]

約数ペア:

[(1, 40404420), (2, 20202210), (3, 13468140), (4, 10101105), (5, 8080884), (6, 6734070), (7, 5772060), (9, 4489380), (10, 4040442), (12, 3367035), (14, 2886030), (15, 2693628), (18, 2244690), (20, 2020221), (21, 1924020), (27, 1496460), (28, 1443015), (30, 1346814), (35, 1154412), (36, 1122345), (42, 962010), (45, 897876), (49, 824580), (54, 748230), (60, 673407), (63, 641340), (70, 577206), (81, 498820), (84, 481005), (90, 448938), (98, 412290), (105, 384804), (108, 374115), (126, 320670), (135, 299292), (140, 288603), (147, 274860), (162, 249410), (180, 224469), (189, 213780), (196, 206145), (210, 192402), (245, 164916), (252, 160335), (270, 149646), (294, 137430), (315, 128268), (324, 124705), (378, 106890), (405, 99764), (420, 96201), (441, 91620), (490, 82458), (509, 79380), (540, 74823), (567, 71260), (588, 68715), (630, 64134), (735, 54972), (756, 53445), (810, 49882), (882, 45810), (945, 42756), (980, 41229), (1018, 39690), (1134, 35630), (1260, 32067), (1323, 30540), (1470, 27486), (1527, 26460), (1620, 24941), (1764, 22905), (1890, 21378), (2036, 19845), (2205, 18324), (2268, 17815), (2545, 15876), (2646, 15270), (2835, 14252), (2940, 13743), (3054, 13230), (3563, 11340), (3780, 10689), (3969, 10180), (4410, 9162), (4581, 8820), (5090, 7938), (5292, 7635), (5670, 7126), (6108, 6615)]