15115520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{241}}^1$

素因数の和:276

約数の個数: 108

約数和(自身を含む): 42292404

約数和(自身を除く): 27176884

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 241, 245, 256, 280, 320, 392, 448, 482, 490, 560, 640, 784, 896, 964, 980, 1120, 1205, 1280, 1568, 1687, 1792, 1928, 1960, 2240, 2410, 3136, 3374, 3856, 3920, 4480, 4820, 6272, 6748, 7712, 7840, 8435, 8960, 9640, 11809, 12544, 13496, 15424, 15680, 16870, 19280, 23618, 26992, 30848, 31360, 33740, 38560, 47236, 53984, 59045, 61696, 62720, 67480, 77120, 94472, 107968, 118090, 134960, 154240, 188944, 215936, 236180, 269920, 308480, 377888, 431872, 472360, 539840, 755776, 944720, 1079680, 1511552, 1889440, 2159360, 3023104, 3778880, 7557760, 15115520]

約数ペア:

[(1, 15115520), (2, 7557760), (4, 3778880), (5, 3023104), (7, 2159360), (8, 1889440), (10, 1511552), (14, 1079680), (16, 944720), (20, 755776), (28, 539840), (32, 472360), (35, 431872), (40, 377888), (49, 308480), (56, 269920), (64, 236180), (70, 215936), (80, 188944), (98, 154240), (112, 134960), (128, 118090), (140, 107968), (160, 94472), (196, 77120), (224, 67480), (241, 62720), (245, 61696), (256, 59045), (280, 53984), (320, 47236), (392, 38560), (448, 33740), (482, 31360), (490, 30848), (560, 26992), (640, 23618), (784, 19280), (896, 16870), (964, 15680), (980, 15424), (1120, 13496), (1205, 12544), (1280, 11809), (1568, 9640), (1687, 8960), (1792, 8435), (1928, 7840), (1960, 7712), (2240, 6748), (2410, 6272), (3136, 4820), (3374, 4480), (3856, 3920)]