25707060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 85542912

約数和(自身を除く): 59835852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 271, 279, 306, 310, 340, 372, 465, 510, 527, 542, 558, 612, 620, 765, 813, 930, 1020, 1054, 1084, 1116, 1355, 1395, 1530, 1581, 1626, 1860, 2108, 2439, 2635, 2710, 2790, 3060, 3162, 3252, 4065, 4607, 4743, 4878, 5270, 5420, 5580, 6324, 7905, 8130, 8401, 9214, 9486, 9756, 10540, 12195, 13821, 15810, 16260, 16802, 18428, 18972, 23035, 23715, 24390, 25203, 27642, 31620, 33604, 41463, 42005, 46070, 47430, 48780, 50406, 55284, 69105, 75609, 82926, 84010, 92140, 94860, 100812, 126015, 138210, 142817, 151218, 165852, 168020, 207315, 252030, 276420, 285634, 302436, 378045, 414630, 428451, 504060, 571268, 714085, 756090, 829260, 856902, 1285353, 1428170, 1512180, 1713804, 2142255, 2570706, 2856340, 4284510, 5141412, 6426765, 8569020, 12853530, 25707060]

約数ペア:

[(1, 25707060), (2, 12853530), (3, 8569020), (4, 6426765), (5, 5141412), (6, 4284510), (9, 2856340), (10, 2570706), (12, 2142255), (15, 1713804), (17, 1512180), (18, 1428170), (20, 1285353), (30, 856902), (31, 829260), (34, 756090), (36, 714085), (45, 571268), (51, 504060), (60, 428451), (62, 414630), (68, 378045), (85, 302436), (90, 285634), (93, 276420), (102, 252030), (124, 207315), (153, 168020), (155, 165852), (170, 151218), (180, 142817), (186, 138210), (204, 126015), (255, 100812), (271, 94860), (279, 92140), (306, 84010), (310, 82926), (340, 75609), (372, 69105), (465, 55284), (510, 50406), (527, 48780), (542, 47430), (558, 46070), (612, 42005), (620, 41463), (765, 33604), (813, 31620), (930, 27642), (1020, 25203), (1054, 24390), (1084, 23715), (1116, 23035), (1355, 18972), (1395, 18428), (1530, 16802), (1581, 16260), (1626, 15810), (1860, 13821), (2108, 12195), (2439, 10540), (2635, 9756), (2710, 9486), (2790, 9214), (3060, 8401), (3162, 8130), (3252, 7905), (4065, 6324), (4607, 5580), (4743, 5420), (4878, 5270)]