4207140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 180

約数和(自身を含む): 15642396

約数和(自身を除く): 11435256

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, 53, 54, 60, 63, 70, 81, 84, 90, 98, 105, 106, 108, 126, 135, 140, 147, 159, 162, 180, 189, 196, 210, 212, 245, 252, 265, 270, 294, 315, 318, 324, 371, 378, 405, 420, 441, 477, 490, 530, 540, 567, 588, 630, 636, 735, 742, 756, 795, 810, 882, 945, 954, 980, 1060, 1113, 1134, 1260, 1323, 1431, 1470, 1484, 1590, 1620, 1764, 1855, 1890, 1908, 2205, 2226, 2268, 2385, 2597, 2646, 2835, 2862, 2940, 3180, 3339, 3710, 3780, 3969, 4293, 4410, 4452, 4770, 5194, 5292, 5565, 5670, 5724, 6615, 6678, 7155, 7420, 7791, 7938, 8586, 8820, 9540, 10017, 10388, 11130, 11340, 12985, 13230, 13356, 14310, 15582, 15876, 16695, 17172, 19845, 20034, 21465, 22260, 23373, 25970, 26460, 28620, 30051, 31164, 33390, 38955, 39690, 40068, 42930, 46746, 50085, 51940, 60102, 66780, 70119, 77910, 79380, 85860, 93492, 100170, 116865, 120204, 140238, 150255, 155820, 200340, 210357, 233730, 280476, 300510, 350595, 420714, 467460, 601020, 701190, 841428, 1051785, 1402380, 2103570, 4207140]

約数ペア:

[(1, 4207140), (2, 2103570), (3, 1402380), (4, 1051785), (5, 841428), (6, 701190), (7, 601020), (9, 467460), (10, 420714), (12, 350595), (14, 300510), (15, 280476), (18, 233730), (20, 210357), (21, 200340), (27, 155820), (28, 150255), (30, 140238), (35, 120204), (36, 116865), (42, 100170), (45, 93492), (49, 85860), (53, 79380), (54, 77910), (60, 70119), (63, 66780), (70, 60102), (81, 51940), (84, 50085), (90, 46746), (98, 42930), (105, 40068), (106, 39690), (108, 38955), (126, 33390), (135, 31164), (140, 30051), (147, 28620), (159, 26460), (162, 25970), (180, 23373), (189, 22260), (196, 21465), (210, 20034), (212, 19845), (245, 17172), (252, 16695), (265, 15876), (270, 15582), (294, 14310), (315, 13356), (318, 13230), (324, 12985), (371, 11340), (378, 11130), (405, 10388), (420, 10017), (441, 9540), (477, 8820), (490, 8586), (530, 7938), (540, 7791), (567, 7420), (588, 7155), (630, 6678), (636, 6615), (735, 5724), (742, 5670), (756, 5565), (795, 5292), (810, 5194), (882, 4770), (945, 4452), (954, 4410), (980, 4293), (1060, 3969), (1113, 3780), (1134, 3710), (1260, 3339), (1323, 3180), (1431, 2940), (1470, 2862), (1484, 2835), (1590, 2646), (1620, 2597), (1764, 2385), (1855, 2268), (1890, 2226), (1908, 2205)]