81951176020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{317}}^1\times {\mathrm{1747}}^1$

素因数の和:2238

約数の個数: 144

約数和(自身を含む): 202272239232

約数和(自身を除く): 120321063212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 317, 490, 604, 634, 755, 980, 1057, 1268, 1510, 1585, 1747, 2114, 2219, 3020, 3170, 3494, 4228, 4438, 5285, 6340, 6988, 7399, 8735, 8876, 10570, 11095, 12229, 14798, 15533, 17470, 21140, 22190, 24458, 29596, 31066, 34940, 36995, 44380, 47867, 48916, 61145, 62132, 73990, 77665, 85603, 95734, 122290, 147980, 155330, 171206, 191468, 239335, 244580, 263797, 310660, 335069, 342412, 428015, 478670, 527594, 553799, 670138, 856030, 957340, 1055188, 1107598, 1318985, 1340276, 1675345, 1712060, 1846579, 2215196, 2345483, 2637970, 2768995, 3350690, 3693158, 3876593, 4690966, 5275940, 5537990, 6701380, 7386316, 7753186, 9232895, 9381932, 11075980, 11727415, 12926053, 15506372, 18465790, 19382965, 23454830, 25852106, 27136151, 36931580, 38765930, 46909660, 51704212, 54272302, 64630265, 77531860, 83623649, 108544604, 129260530, 135680755, 167247298, 258521060, 271361510, 334494596, 418118245, 542723020, 585365543, 836236490, 1170731086, 1672472980, 2341462172, 2926827715, 4097558801, 5853655430, 8195117602, 11707310860, 16390235204, 20487794005, 40975588010, 81951176020]

約数ペア:

[(1, 81951176020), (2, 40975588010), (4, 20487794005), (5, 16390235204), (7, 11707310860), (10, 8195117602), (14, 5853655430), (20, 4097558801), (28, 2926827715), (35, 2341462172), (49, 1672472980), (70, 1170731086), (98, 836236490), (140, 585365543), (151, 542723020), (196, 418118245), (245, 334494596), (302, 271361510), (317, 258521060), (490, 167247298), (604, 135680755), (634, 129260530), (755, 108544604), (980, 83623649), (1057, 77531860), (1268, 64630265), (1510, 54272302), (1585, 51704212), (1747, 46909660), (2114, 38765930), (2219, 36931580), (3020, 27136151), (3170, 25852106), (3494, 23454830), (4228, 19382965), (4438, 18465790), (5285, 15506372), (6340, 12926053), (6988, 11727415), (7399, 11075980), (8735, 9381932), (8876, 9232895), (10570, 7753186), (11095, 7386316), (12229, 6701380), (14798, 5537990), (15533, 5275940), (17470, 4690966), (21140, 3876593), (22190, 3693158), (24458, 3350690), (29596, 2768995), (31066, 2637970), (34940, 2345483), (36995, 2215196), (44380, 1846579), (47867, 1712060), (48916, 1675345), (61145, 1340276), (62132, 1318985), (73990, 1107598), (77665, 1055188), (85603, 957340), (95734, 856030), (122290, 670138), (147980, 553799), (155330, 527594), (171206, 478670), (191468, 428015), (239335, 342412), (244580, 335069), (263797, 310660)]