1618495740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{12611}}^1$

素因数の和:12680

約数の個数: 144

約数和(自身を含む): 5288564736

約数和(自身を除く): 3670068996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 690, 713, 828, 930, 1035, 1116, 1380, 1395, 1426, 1860, 2070, 2139, 2790, 2852, 3565, 4140, 4278, 5580, 6417, 7130, 8556, 10695, 12611, 12834, 14260, 21390, 25222, 25668, 32085, 37833, 42780, 50444, 63055, 64170, 75666, 113499, 126110, 128340, 151332, 189165, 226998, 252220, 290053, 378330, 390941, 453996, 567495, 580106, 756660, 781882, 870159, 1134990, 1160212, 1172823, 1450265, 1563764, 1740318, 1954705, 2269980, 2345646, 2610477, 2900530, 3480636, 3518469, 3909410, 4350795, 4691292, 5220954, 5801060, 5864115, 7036938, 7818820, 8701590, 8991643, 10441908, 11728230, 13052385, 14073876, 17403180, 17592345, 17983286, 23456460, 26104770, 26974929, 35184690, 35966572, 44958215, 52209540, 53949858, 70369380, 80924787, 89916430, 107899716, 134874645, 161849574, 179832860, 269749290, 323699148, 404623935, 539498580, 809247870, 1618495740]

約数ペア:

[(1, 1618495740), (2, 809247870), (3, 539498580), (4, 404623935), (5, 323699148), (6, 269749290), (9, 179832860), (10, 161849574), (12, 134874645), (15, 107899716), (18, 89916430), (20, 80924787), (23, 70369380), (30, 53949858), (31, 52209540), (36, 44958215), (45, 35966572), (46, 35184690), (60, 26974929), (62, 26104770), (69, 23456460), (90, 17983286), (92, 17592345), (93, 17403180), (115, 14073876), (124, 13052385), (138, 11728230), (155, 10441908), (180, 8991643), (186, 8701590), (207, 7818820), (230, 7036938), (276, 5864115), (279, 5801060), (310, 5220954), (345, 4691292), (372, 4350795), (414, 3909410), (460, 3518469), (465, 3480636), (558, 2900530), (620, 2610477), (690, 2345646), (713, 2269980), (828, 1954705), (930, 1740318), (1035, 1563764), (1116, 1450265), (1380, 1172823), (1395, 1160212), (1426, 1134990), (1860, 870159), (2070, 781882), (2139, 756660), (2790, 580106), (2852, 567495), (3565, 453996), (4140, 390941), (4278, 378330), (5580, 290053), (6417, 252220), (7130, 226998), (8556, 189165), (10695, 151332), (12611, 128340), (12834, 126110), (14260, 113499), (21390, 75666), (25222, 64170), (25668, 63055), (32085, 50444), (37833, 42780)]