31556580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 97372800

約数和(自身を除く): 65816220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 137, 165, 220, 274, 330, 349, 411, 548, 660, 685, 698, 822, 1047, 1370, 1396, 1507, 1644, 1745, 2055, 2094, 2740, 3014, 3490, 3839, 4110, 4188, 4521, 5235, 6028, 6980, 7535, 7678, 8220, 9042, 10470, 11517, 15070, 15356, 18084, 19195, 20940, 22605, 23034, 30140, 38390, 45210, 46068, 47813, 57585, 76780, 90420, 95626, 115170, 143439, 191252, 230340, 239065, 286878, 478130, 525943, 573756, 717195, 956260, 1051886, 1434390, 1577829, 2103772, 2629715, 2868780, 3155658, 5259430, 6311316, 7889145, 10518860, 15778290, 31556580]

約数ペア:

[(1, 31556580), (2, 15778290), (3, 10518860), (4, 7889145), (5, 6311316), (6, 5259430), (10, 3155658), (11, 2868780), (12, 2629715), (15, 2103772), (20, 1577829), (22, 1434390), (30, 1051886), (33, 956260), (44, 717195), (55, 573756), (60, 525943), (66, 478130), (110, 286878), (132, 239065), (137, 230340), (165, 191252), (220, 143439), (274, 115170), (330, 95626), (349, 90420), (411, 76780), (548, 57585), (660, 47813), (685, 46068), (698, 45210), (822, 38390), (1047, 30140), (1370, 23034), (1396, 22605), (1507, 20940), (1644, 19195), (1745, 18084), (2055, 15356), (2094, 15070), (2740, 11517), (3014, 10470), (3490, 9042), (3839, 8220), (4110, 7678), (4188, 7535), (4521, 6980), (5235, 6028)]