79491440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 160

約数和(自身を含む): 230461440

約数和(自身を除く): 150970000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 241, 248, 266, 280, 304, 310, 380, 434, 482, 496, 532, 560, 589, 620, 665, 760, 868, 964, 1064, 1085, 1178, 1205, 1240, 1330, 1520, 1687, 1736, 1928, 2128, 2170, 2356, 2410, 2480, 2660, 2945, 3374, 3472, 3856, 4123, 4340, 4579, 4712, 4820, 5320, 5890, 6748, 7471, 8246, 8435, 8680, 9158, 9424, 9640, 10640, 11780, 13496, 14942, 16492, 16870, 17360, 18316, 19280, 20615, 22895, 23560, 26992, 29884, 32053, 32984, 33740, 36632, 37355, 41230, 45790, 47120, 52297, 59768, 64106, 65968, 67480, 73264, 74710, 82460, 91580, 104594, 119536, 128212, 134960, 141949, 149420, 160265, 164920, 183160, 209188, 256424, 261485, 283898, 298840, 320530, 329840, 366320, 418376, 512848, 522970, 567796, 597680, 641060, 709745, 836752, 993643, 1045940, 1135592, 1282120, 1419490, 1987286, 2091880, 2271184, 2564240, 2838980, 3974572, 4183760, 4968215, 5677960, 7949144, 9936430, 11355920, 15898288, 19872860, 39745720, 79491440]

約数ペア:

[(1, 79491440), (2, 39745720), (4, 19872860), (5, 15898288), (7, 11355920), (8, 9936430), (10, 7949144), (14, 5677960), (16, 4968215), (19, 4183760), (20, 3974572), (28, 2838980), (31, 2564240), (35, 2271184), (38, 2091880), (40, 1987286), (56, 1419490), (62, 1282120), (70, 1135592), (76, 1045940), (80, 993643), (95, 836752), (112, 709745), (124, 641060), (133, 597680), (140, 567796), (152, 522970), (155, 512848), (190, 418376), (217, 366320), (241, 329840), (248, 320530), (266, 298840), (280, 283898), (304, 261485), (310, 256424), (380, 209188), (434, 183160), (482, 164920), (496, 160265), (532, 149420), (560, 141949), (589, 134960), (620, 128212), (665, 119536), (760, 104594), (868, 91580), (964, 82460), (1064, 74710), (1085, 73264), (1178, 67480), (1205, 65968), (1240, 64106), (1330, 59768), (1520, 52297), (1687, 47120), (1736, 45790), (1928, 41230), (2128, 37355), (2170, 36632), (2356, 33740), (2410, 32984), (2480, 32053), (2660, 29884), (2945, 26992), (3374, 23560), (3472, 22895), (3856, 20615), (4123, 19280), (4340, 18316), (4579, 17360), (4712, 16870), (4820, 16492), (5320, 14942), (5890, 13496), (6748, 11780), (7471, 10640), (8246, 9640), (8435, 9424), (8680, 9158)]