72885800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 195859860

約数和(自身を除く): 122974060

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 97, 100, 104, 130, 136, 170, 194, 200, 221, 260, 289, 325, 340, 388, 425, 442, 485, 520, 578, 650, 680, 776, 850, 884, 970, 1105, 1156, 1261, 1300, 1445, 1649, 1700, 1768, 1940, 2210, 2312, 2425, 2522, 2600, 2890, 3298, 3400, 3757, 3880, 4420, 4850, 5044, 5525, 5780, 6305, 6596, 7225, 7514, 8245, 8840, 9700, 10088, 11050, 11560, 12610, 13192, 14450, 15028, 16490, 18785, 19400, 21437, 22100, 25220, 28033, 28900, 30056, 31525, 32980, 37570, 41225, 42874, 44200, 50440, 56066, 57800, 63050, 65960, 75140, 82450, 85748, 93925, 107185, 112132, 126100, 140165, 150280, 164900, 171496, 187850, 214370, 224264, 252200, 280330, 329800, 364429, 375700, 428740, 535925, 560660, 700825, 728858, 751400, 857480, 1071850, 1121320, 1401650, 1457716, 1822145, 2143700, 2803300, 2915432, 3644290, 4287400, 5606600, 7288580, 9110725, 14577160, 18221450, 36442900, 72885800]

約数ペア:

[(1, 72885800), (2, 36442900), (4, 18221450), (5, 14577160), (8, 9110725), (10, 7288580), (13, 5606600), (17, 4287400), (20, 3644290), (25, 2915432), (26, 2803300), (34, 2143700), (40, 1822145), (50, 1457716), (52, 1401650), (65, 1121320), (68, 1071850), (85, 857480), (97, 751400), (100, 728858), (104, 700825), (130, 560660), (136, 535925), (170, 428740), (194, 375700), (200, 364429), (221, 329800), (260, 280330), (289, 252200), (325, 224264), (340, 214370), (388, 187850), (425, 171496), (442, 164900), (485, 150280), (520, 140165), (578, 126100), (650, 112132), (680, 107185), (776, 93925), (850, 85748), (884, 82450), (970, 75140), (1105, 65960), (1156, 63050), (1261, 57800), (1300, 56066), (1445, 50440), (1649, 44200), (1700, 42874), (1768, 41225), (1940, 37570), (2210, 32980), (2312, 31525), (2425, 30056), (2522, 28900), (2600, 28033), (2890, 25220), (3298, 22100), (3400, 21437), (3757, 19400), (3880, 18785), (4420, 16490), (4850, 15028), (5044, 14450), (5525, 13192), (5780, 12610), (6305, 11560), (6596, 11050), (7225, 10088), (7514, 9700), (8245, 8840)]