15685880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 42107040

約数和(自身を除く): 26421160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 151, 196, 212, 245, 265, 280, 302, 371, 392, 424, 490, 530, 604, 742, 755, 980, 1057, 1060, 1208, 1484, 1510, 1855, 1960, 2114, 2120, 2597, 2968, 3020, 3710, 4228, 5194, 5285, 6040, 7399, 7420, 8003, 8456, 10388, 10570, 12985, 14798, 14840, 16006, 20776, 21140, 25970, 29596, 32012, 36995, 40015, 42280, 51940, 56021, 59192, 64024, 73990, 80030, 103880, 112042, 147980, 160060, 224084, 280105, 295960, 320120, 392147, 448168, 560210, 784294, 1120420, 1568588, 1960735, 2240840, 3137176, 3921470, 7842940, 15685880]

約数ペア:

[(1, 15685880), (2, 7842940), (4, 3921470), (5, 3137176), (7, 2240840), (8, 1960735), (10, 1568588), (14, 1120420), (20, 784294), (28, 560210), (35, 448168), (40, 392147), (49, 320120), (53, 295960), (56, 280105), (70, 224084), (98, 160060), (106, 147980), (140, 112042), (151, 103880), (196, 80030), (212, 73990), (245, 64024), (265, 59192), (280, 56021), (302, 51940), (371, 42280), (392, 40015), (424, 36995), (490, 32012), (530, 29596), (604, 25970), (742, 21140), (755, 20776), (980, 16006), (1057, 14840), (1060, 14798), (1208, 12985), (1484, 10570), (1510, 10388), (1855, 8456), (1960, 8003), (2114, 7420), (2120, 7399), (2597, 6040), (2968, 5285), (3020, 5194), (3710, 4228)]