81612547.000000000

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:436

約数の個数: 128

約数和(自身を含む): 463325184

約数和(自身を除く): 300729894

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 151, 165, 195, 251, 286, 302, 330, 390, 429, 453, 502, 715, 753, 755, 858, 906, 1255, 1430, 1506, 1510, 1661, 1963, 2145, 2265, 2510, 2761, 3263, 3322, 3765, 3926, 4290, 4530, 4983, 5522, 5889, 6526, 7530, 8283, 8305, 9789, 9815, 9966, 11778, 13805, 16315, 16566, 16610, 19578, 19630, 21593, 24915, 27610, 29445, 32630, 35893, 37901, 41415, 43186, 48945, 49830, 58890, 64779, 71786, 75802, 82830, 97890, 107679, 107965, 113703, 129558, 179465, 189505, 215358, 215930, 227406, 323895, 358930, 379010, 416911, 492713, 538395, 568515, 647790, 833822, 985426, 1076790, 1137030, 1250733, 1478139, 2084555, 2463565, 2501466, 2956278, 4169110, 4927130, 5419843, 6253665, 7390695, 10839686, 12507330, 14781390, 16259529, 27099215, 32519058, 54198430, 81297645, 162595290]

約数ペア:

[(1, 162595290), (2, 81297645), (3, 54198430), (5, 32519058), (6, 27099215), (10, 16259529), (11, 14781390), (13, 12507330), (15, 10839686), (22, 7390695), (26, 6253665), (30, 5419843), (33, 4927130), (39, 4169110), (55, 2956278), (65, 2501466), (66, 2463565), (78, 2084555), (110, 1478139), (130, 1250733), (143, 1137030), (151, 1076790), (165, 985426), (195, 833822), (251, 647790), (286, 568515), (302, 538395), (330, 492713), (390, 416911), (429, 379010), (453, 358930), (502, 323895), (715, 227406), (753, 215930), (755, 215358), (858, 189505), (906, 179465), (1255, 129558), (1430, 113703), (1506, 107965), (1510, 107679), (1661, 97890), (1963, 82830), (2145, 75802), (2265, 71786), (2510, 64779), (2761, 58890), (3263, 49830), (3322, 48945), (3765, 43186), (3926, 41415), (4290, 37901), (4530, 35893), (4983, 32630), (5522, 29445), (5889, 27610), (6526, 24915), (7530, 21593), (8283, 19630), (8305, 19578), (9789, 16610), (9815, 16566), (9966, 16315), (11778, 13805)]