721405152

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4553

約数の個数: 144

約数和(自身を含む): 2261186928

約数和(自身を除く): 1539781776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 208, 234, 258, 288, 312, 344, 387, 416, 468, 516, 559, 624, 688, 774, 936, 1032, 1118, 1248, 1376, 1548, 1677, 1872, 2064, 2236, 3096, 3354, 3744, 4128, 4472, 4481, 5031, 6192, 6708, 8944, 8962, 10062, 12384, 13416, 13443, 17888, 17924, 20124, 26832, 26886, 35848, 40248, 40329, 53664, 53772, 58253, 71696, 80496, 80658, 107544, 116506, 143392, 160992, 161316, 174759, 192683, 215088, 233012, 322632, 349518, 385366, 430176, 466024, 524277, 578049, 645264, 699036, 770732, 932048, 1048554, 1156098, 1290528, 1398072, 1541464, 1734147, 1864096, 2097108, 2312196, 2504879, 2796144, 3082928, 3468294, 4194216, 4624392, 5009758, 5592288, 6165856, 6936588, 7514637, 8388432, 9248784, 10019516, 13873176, 15029274, 16776864, 18497568, 20039032, 22543911, 27746352, 30058548, 40078064, 45087822, 55492704, 60117096, 80156128, 90175644, 120234192, 180351288, 240468384, 360702576, 721405152]

約数ペア:

[(1, 721405152), (2, 360702576), (3, 240468384), (4, 180351288), (6, 120234192), (8, 90175644), (9, 80156128), (12, 60117096), (13, 55492704), (16, 45087822), (18, 40078064), (24, 30058548), (26, 27746352), (32, 22543911), (36, 20039032), (39, 18497568), (43, 16776864), (48, 15029274), (52, 13873176), (72, 10019516), (78, 9248784), (86, 8388432), (96, 7514637), (104, 6936588), (117, 6165856), (129, 5592288), (144, 5009758), (156, 4624392), (172, 4194216), (208, 3468294), (234, 3082928), (258, 2796144), (288, 2504879), (312, 2312196), (344, 2097108), (387, 1864096), (416, 1734147), (468, 1541464), (516, 1398072), (559, 1290528), (624, 1156098), (688, 1048554), (774, 932048), (936, 770732), (1032, 699036), (1118, 645264), (1248, 578049), (1376, 524277), (1548, 466024), (1677, 430176), (1872, 385366), (2064, 349518), (2236, 322632), (3096, 233012), (3354, 215088), (3744, 192683), (4128, 174759), (4472, 161316), (4481, 160992), (5031, 143392), (6192, 116506), (6708, 107544), (8944, 80658), (8962, 80496), (10062, 71696), (12384, 58253), (13416, 53772), (13443, 53664), (17888, 40329), (17924, 40248), (20124, 35848), (26832, 26886)]