131856420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:789

約数の個数: 96

約数和(自身を含む): 393216768

約数和(自身を除く): 261360348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 257, 340, 503, 510, 514, 771, 1006, 1020, 1028, 1285, 1509, 1542, 2012, 2515, 2570, 3018, 3084, 3855, 4369, 5030, 5140, 6036, 7545, 7710, 8551, 8738, 10060, 13107, 15090, 15420, 17102, 17476, 21845, 25653, 26214, 30180, 34204, 42755, 43690, 51306, 52428, 65535, 85510, 87380, 102612, 128265, 129271, 131070, 171020, 256530, 258542, 262140, 387813, 513060, 517084, 646355, 775626, 1292710, 1551252, 1939065, 2197607, 2585420, 3878130, 4395214, 6592821, 7756260, 8790428, 10988035, 13185642, 21976070, 26371284, 32964105, 43952140, 65928210, 131856420]

約数ペア:

[(1, 131856420), (2, 65928210), (3, 43952140), (4, 32964105), (5, 26371284), (6, 21976070), (10, 13185642), (12, 10988035), (15, 8790428), (17, 7756260), (20, 6592821), (30, 4395214), (34, 3878130), (51, 2585420), (60, 2197607), (68, 1939065), (85, 1551252), (102, 1292710), (170, 775626), (204, 646355), (255, 517084), (257, 513060), (340, 387813), (503, 262140), (510, 258542), (514, 256530), (771, 171020), (1006, 131070), (1020, 129271), (1028, 128265), (1285, 102612), (1509, 87380), (1542, 85510), (2012, 65535), (2515, 52428), (2570, 51306), (3018, 43690), (3084, 42755), (3855, 34204), (4369, 30180), (5030, 26214), (5140, 25653), (6036, 21845), (7545, 17476), (7710, 17102), (8551, 15420), (8738, 15090), (10060, 13107)]