261226680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1171}}^1$

素因数の和:1222

約数の個数: 192

約数和(自身を含む): 926536320

約数和(自身を除く): 665309640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 169, 195, 220, 260, 264, 286, 312, 330, 338, 390, 429, 440, 507, 520, 572, 660, 676, 715, 780, 845, 858, 1014, 1144, 1171, 1320, 1352, 1430, 1560, 1690, 1716, 1859, 2028, 2145, 2342, 2535, 2860, 3380, 3432, 3513, 3718, 4056, 4290, 4684, 5070, 5577, 5720, 5855, 6760, 7026, 7436, 8580, 9295, 9368, 10140, 11154, 11710, 12881, 14052, 14872, 15223, 17160, 17565, 18590, 20280, 22308, 23420, 25762, 27885, 28104, 30446, 35130, 37180, 38643, 44616, 45669, 46840, 51524, 55770, 60892, 64405, 70260, 74360, 76115, 77286, 91338, 103048, 111540, 121784, 128810, 140520, 152230, 154572, 167453, 182676, 193215, 197899, 223080, 228345, 257620, 304460, 309144, 334906, 365352, 386430, 395798, 456690, 502359, 515240, 593697, 608920, 669812, 772860, 791596, 837265, 913380, 989495, 1004718, 1187394, 1339624, 1545720, 1583192, 1674530, 1826760, 1978990, 2009436, 2176889, 2374788, 2511795, 2968485, 3349060, 3957980, 4018872, 4353778, 4749576, 5023590, 5936970, 6530667, 6698120, 7915960, 8707556, 10047180, 10884445, 11873940, 13061334, 17415112, 20094360, 21768890, 23747880, 26122668, 32653335, 43537780, 52245336, 65306670, 87075560, 130613340, 261226680]

約数ペア:

[(1, 261226680), (2, 130613340), (3, 87075560), (4, 65306670), (5, 52245336), (6, 43537780), (8, 32653335), (10, 26122668), (11, 23747880), (12, 21768890), (13, 20094360), (15, 17415112), (20, 13061334), (22, 11873940), (24, 10884445), (26, 10047180), (30, 8707556), (33, 7915960), (39, 6698120), (40, 6530667), (44, 5936970), (52, 5023590), (55, 4749576), (60, 4353778), (65, 4018872), (66, 3957980), (78, 3349060), (88, 2968485), (104, 2511795), (110, 2374788), (120, 2176889), (130, 2009436), (132, 1978990), (143, 1826760), (156, 1674530), (165, 1583192), (169, 1545720), (195, 1339624), (220, 1187394), (260, 1004718), (264, 989495), (286, 913380), (312, 837265), (330, 791596), (338, 772860), (390, 669812), (429, 608920), (440, 593697), (507, 515240), (520, 502359), (572, 456690), (660, 395798), (676, 386430), (715, 365352), (780, 334906), (845, 309144), (858, 304460), (1014, 257620), (1144, 228345), (1171, 223080), (1320, 197899), (1352, 193215), (1430, 182676), (1560, 167453), (1690, 154572), (1716, 152230), (1859, 140520), (2028, 128810), (2145, 121784), (2342, 111540), (2535, 103048), (2860, 91338), (3380, 77286), (3432, 76115), (3513, 74360), (3718, 70260), (4056, 64405), (4290, 60892), (4684, 55770), (5070, 51524), (5577, 46840), (5720, 45669), (5855, 44616), (6760, 38643), (7026, 37180), (7436, 35130), (8580, 30446), (9295, 28104), (9368, 27885), (10140, 25762), (11154, 23420), (11710, 22308), (12881, 20280), (14052, 18590), (14872, 17565), (15223, 17160)]