155512140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{773}}^1$

素因数の和:1271

約数の個数: 96

約数和(自身を含む): 499322880

約数和(自身を除く): 343810740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 479, 773, 958, 1437, 1546, 1916, 2319, 2395, 2874, 3092, 3353, 3865, 4638, 4790, 5411, 5748, 6706, 7185, 7730, 9276, 9580, 10059, 10822, 11595, 13412, 14370, 15460, 16233, 16765, 20118, 21644, 23190, 27055, 28740, 32466, 33530, 40236, 46380, 50295, 54110, 64932, 67060, 81165, 100590, 108220, 162330, 201180, 324660, 370267, 740534, 1110801, 1481068, 1851335, 2221602, 2591869, 3702670, 4443204, 5183738, 5554005, 7405340, 7775607, 10367476, 11108010, 12959345, 15551214, 22216020, 25918690, 31102428, 38878035, 51837380, 77756070, 155512140]

約数ペア:

[(1, 155512140), (2, 77756070), (3, 51837380), (4, 38878035), (5, 31102428), (6, 25918690), (7, 22216020), (10, 15551214), (12, 12959345), (14, 11108010), (15, 10367476), (20, 7775607), (21, 7405340), (28, 5554005), (30, 5183738), (35, 4443204), (42, 3702670), (60, 2591869), (70, 2221602), (84, 1851335), (105, 1481068), (140, 1110801), (210, 740534), (420, 370267), (479, 324660), (773, 201180), (958, 162330), (1437, 108220), (1546, 100590), (1916, 81165), (2319, 67060), (2395, 64932), (2874, 54110), (3092, 50295), (3353, 46380), (3865, 40236), (4638, 33530), (4790, 32466), (5411, 28740), (5748, 27055), (6706, 23190), (7185, 21644), (7730, 20118), (9276, 16765), (9580, 16233), (10059, 15460), (10822, 14370), (11595, 13412)]