272391420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20921}}^1$

素因数の和:20971

約数の個数: 96

約数和(自身を含む): 899813376

約数和(自身を除く): 627421956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 20921, 41842, 62763, 83684, 104605, 125526, 146447, 209210, 251052, 292894, 313815, 418420, 439341, 585788, 627630, 648551, 732235, 878682, 1255260, 1297102, 1464470, 1757364, 1945653, 2196705, 2594204, 2928940, 3242755, 3891306, 4393410, 4539857, 6485510, 7782612, 8786820, 9079714, 9728265, 12971020, 13619571, 18159428, 19456530, 22699285, 27239142, 38913060, 45398570, 54478284, 68097855, 90797140, 136195710, 272391420]

約数ペア:

[(1, 272391420), (2, 136195710), (3, 90797140), (4, 68097855), (5, 54478284), (6, 45398570), (7, 38913060), (10, 27239142), (12, 22699285), (14, 19456530), (15, 18159428), (20, 13619571), (21, 12971020), (28, 9728265), (30, 9079714), (31, 8786820), (35, 7782612), (42, 6485510), (60, 4539857), (62, 4393410), (70, 3891306), (84, 3242755), (93, 2928940), (105, 2594204), (124, 2196705), (140, 1945653), (155, 1757364), (186, 1464470), (210, 1297102), (217, 1255260), (310, 878682), (372, 732235), (420, 648551), (434, 627630), (465, 585788), (620, 439341), (651, 418420), (868, 313815), (930, 292894), (1085, 251052), (1302, 209210), (1860, 146447), (2170, 125526), (2604, 104605), (3255, 83684), (4340, 62763), (6510, 41842), (13020, 20921)]