15085840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 160

約数和(自身を含む): 45711360

約数和(自身を除く): 30625520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 79, 80, 88, 110, 112, 124, 140, 154, 155, 158, 176, 217, 220, 248, 280, 308, 310, 316, 341, 385, 395, 434, 440, 496, 553, 560, 616, 620, 632, 682, 770, 790, 868, 869, 880, 1085, 1106, 1232, 1240, 1264, 1364, 1540, 1580, 1705, 1736, 1738, 2170, 2212, 2387, 2449, 2480, 2728, 2765, 3080, 3160, 3410, 3472, 3476, 4340, 4345, 4424, 4774, 4898, 5456, 5530, 6083, 6160, 6320, 6820, 6952, 8680, 8690, 8848, 9548, 9796, 11060, 11935, 12166, 12245, 13640, 13904, 17143, 17360, 17380, 19096, 19592, 22120, 23870, 24332, 24490, 26939, 27280, 30415, 34286, 34760, 38192, 39184, 44240, 47740, 48664, 48980, 53878, 60830, 68572, 69520, 85715, 95480, 97328, 97960, 107756, 121660, 134695, 137144, 171430, 188573, 190960, 195920, 215512, 243320, 269390, 274288, 342860, 377146, 431024, 486640, 538780, 685720, 754292, 942865, 1077560, 1371440, 1508584, 1885730, 2155120, 3017168, 3771460, 7542920, 15085840]

約数ペア:

[(1, 15085840), (2, 7542920), (4, 3771460), (5, 3017168), (7, 2155120), (8, 1885730), (10, 1508584), (11, 1371440), (14, 1077560), (16, 942865), (20, 754292), (22, 685720), (28, 538780), (31, 486640), (35, 431024), (40, 377146), (44, 342860), (55, 274288), (56, 269390), (62, 243320), (70, 215512), (77, 195920), (79, 190960), (80, 188573), (88, 171430), (110, 137144), (112, 134695), (124, 121660), (140, 107756), (154, 97960), (155, 97328), (158, 95480), (176, 85715), (217, 69520), (220, 68572), (248, 60830), (280, 53878), (308, 48980), (310, 48664), (316, 47740), (341, 44240), (385, 39184), (395, 38192), (434, 34760), (440, 34286), (496, 30415), (553, 27280), (560, 26939), (616, 24490), (620, 24332), (632, 23870), (682, 22120), (770, 19592), (790, 19096), (868, 17380), (869, 17360), (880, 17143), (1085, 13904), (1106, 13640), (1232, 12245), (1240, 12166), (1264, 11935), (1364, 11060), (1540, 9796), (1580, 9548), (1705, 8848), (1736, 8690), (1738, 8680), (2170, 6952), (2212, 6820), (2387, 6320), (2449, 6160), (2480, 6083), (2728, 5530), (2765, 5456), (3080, 4898), (3160, 4774), (3410, 4424), (3472, 4345), (3476, 4340)]