1225081560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{647}}^1$

素因数の和:1201

約数の個数: 128

約数和(自身を含む): 3807129600

約数和(自身を除く): 2582048040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 509, 620, 647, 744, 930, 1018, 1240, 1294, 1527, 1860, 1941, 2036, 2545, 2588, 3054, 3235, 3720, 3882, 4072, 5090, 5176, 6108, 6470, 7635, 7764, 9705, 10180, 12216, 12940, 15270, 15528, 15779, 19410, 20057, 20360, 25880, 30540, 31558, 38820, 40114, 47337, 60171, 61080, 63116, 77640, 78895, 80228, 94674, 100285, 120342, 126232, 157790, 160456, 189348, 200570, 236685, 240684, 300855, 315580, 329323, 378696, 401140, 473370, 481368, 601710, 631160, 658646, 802280, 946740, 987969, 1203420, 1317292, 1646615, 1893480, 1975938, 2406840, 2634584, 3293230, 3951876, 4939845, 6586460, 7903752, 9879690, 10209013, 13172920, 19759380, 20418026, 30627039, 39518760, 40836052, 51045065, 61254078, 81672104, 102090130, 122508156, 153135195, 204180260, 245016312, 306270390, 408360520, 612540780, 1225081560]

約数ペア:

[(1, 1225081560), (2, 612540780), (3, 408360520), (4, 306270390), (5, 245016312), (6, 204180260), (8, 153135195), (10, 122508156), (12, 102090130), (15, 81672104), (20, 61254078), (24, 51045065), (30, 40836052), (31, 39518760), (40, 30627039), (60, 20418026), (62, 19759380), (93, 13172920), (120, 10209013), (124, 9879690), (155, 7903752), (186, 6586460), (248, 4939845), (310, 3951876), (372, 3293230), (465, 2634584), (509, 2406840), (620, 1975938), (647, 1893480), (744, 1646615), (930, 1317292), (1018, 1203420), (1240, 987969), (1294, 946740), (1527, 802280), (1860, 658646), (1941, 631160), (2036, 601710), (2545, 481368), (2588, 473370), (3054, 401140), (3235, 378696), (3720, 329323), (3882, 315580), (4072, 300855), (5090, 240684), (5176, 236685), (6108, 200570), (6470, 189348), (7635, 160456), (7764, 157790), (9705, 126232), (10180, 120342), (12216, 100285), (12940, 94674), (15270, 80228), (15528, 78895), (15779, 77640), (19410, 63116), (20057, 61080), (20360, 60171), (25880, 47337), (30540, 40114), (31558, 38820)]