15408540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{1747}}^1$

素因数の和:1776

約数の個数: 108

約数和(自身を含む): 54401256

約数和(自身を除く): 38992716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1747, 1764, 2205, 2940, 3494, 4410, 5241, 6988, 8735, 8820, 10482, 12229, 15723, 17470, 20964, 24458, 26205, 31446, 34940, 36687, 48916, 52410, 61145, 62892, 73374, 78615, 85603, 104820, 110061, 122290, 146748, 157230, 171206, 183435, 220122, 244580, 256809, 314460, 342412, 366870, 428015, 440244, 513618, 550305, 733740, 770427, 856030, 1027236, 1100610, 1284045, 1540854, 1712060, 2201220, 2568090, 3081708, 3852135, 5136180, 7704270, 15408540]

約数ペア:

[(1, 15408540), (2, 7704270), (3, 5136180), (4, 3852135), (5, 3081708), (6, 2568090), (7, 2201220), (9, 1712060), (10, 1540854), (12, 1284045), (14, 1100610), (15, 1027236), (18, 856030), (20, 770427), (21, 733740), (28, 550305), (30, 513618), (35, 440244), (36, 428015), (42, 366870), (45, 342412), (49, 314460), (60, 256809), (63, 244580), (70, 220122), (84, 183435), (90, 171206), (98, 157230), (105, 146748), (126, 122290), (140, 110061), (147, 104820), (180, 85603), (196, 78615), (210, 73374), (245, 62892), (252, 61145), (294, 52410), (315, 48916), (420, 36687), (441, 34940), (490, 31446), (588, 26205), (630, 24458), (735, 20964), (882, 17470), (980, 15723), (1260, 12229), (1470, 10482), (1747, 8820), (1764, 8735), (2205, 6988), (2940, 5241), (3494, 4410)]