128202780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 404490240

約数和(自身を除く): 276287460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 43, 51, 60, 68, 74, 79, 85, 86, 102, 111, 129, 148, 158, 170, 172, 185, 204, 215, 222, 237, 255, 258, 316, 340, 370, 395, 430, 444, 474, 510, 516, 555, 629, 645, 731, 740, 790, 860, 948, 1020, 1110, 1185, 1258, 1290, 1343, 1462, 1580, 1591, 1887, 2193, 2220, 2370, 2516, 2580, 2686, 2923, 2924, 3145, 3182, 3397, 3655, 3774, 4029, 4386, 4740, 4773, 5372, 5846, 6290, 6364, 6715, 6794, 7310, 7548, 7955, 8058, 8769, 8772, 9435, 9546, 10191, 10965, 11692, 12580, 13430, 13588, 14615, 14620, 15910, 16116, 16985, 17538, 18870, 19092, 20145, 20382, 21930, 23865, 26860, 27047, 29230, 31820, 33970, 35076, 37740, 40290, 40764, 43845, 43860, 47730, 49691, 50955, 54094, 57749, 58460, 67940, 80580, 81141, 87690, 95460, 99382, 101910, 108188, 115498, 125689, 135235, 149073, 162282, 173247, 175380, 198764, 203820, 230996, 248455, 251378, 270470, 288745, 298146, 324564, 346494, 377067, 405705, 496910, 502756, 540940, 577490, 596292, 628445, 692988, 745365, 754134, 811410, 866235, 993820, 1154980, 1256890, 1490730, 1508268, 1622820, 1732470, 1885335, 2136713, 2513780, 2981460, 3464940, 3770670, 4273426, 6410139, 7541340, 8546852, 10683565, 12820278, 21367130, 25640556, 32050695, 42734260, 64101390, 128202780]

約数ペア:

[(1, 128202780), (2, 64101390), (3, 42734260), (4, 32050695), (5, 25640556), (6, 21367130), (10, 12820278), (12, 10683565), (15, 8546852), (17, 7541340), (20, 6410139), (30, 4273426), (34, 3770670), (37, 3464940), (43, 2981460), (51, 2513780), (60, 2136713), (68, 1885335), (74, 1732470), (79, 1622820), (85, 1508268), (86, 1490730), (102, 1256890), (111, 1154980), (129, 993820), (148, 866235), (158, 811410), (170, 754134), (172, 745365), (185, 692988), (204, 628445), (215, 596292), (222, 577490), (237, 540940), (255, 502756), (258, 496910), (316, 405705), (340, 377067), (370, 346494), (395, 324564), (430, 298146), (444, 288745), (474, 270470), (510, 251378), (516, 248455), (555, 230996), (629, 203820), (645, 198764), (731, 175380), (740, 173247), (790, 162282), (860, 149073), (948, 135235), (1020, 125689), (1110, 115498), (1185, 108188), (1258, 101910), (1290, 99382), (1343, 95460), (1462, 87690), (1580, 81141), (1591, 80580), (1887, 67940), (2193, 58460), (2220, 57749), (2370, 54094), (2516, 50955), (2580, 49691), (2686, 47730), (2923, 43860), (2924, 43845), (3145, 40764), (3182, 40290), (3397, 37740), (3655, 35076), (3774, 33970), (4029, 31820), (4386, 29230), (4740, 27047), (4773, 26860), (5372, 23865), (5846, 21930), (6290, 20382), (6364, 20145), (6715, 19092), (6794, 18870), (7310, 17538), (7548, 16985), (7955, 16116), (8058, 15910), (8769, 14620), (8772, 14615), (9435, 13588), (9546, 13430), (10191, 12580), (10965, 11692)]