81172080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:344

約数の個数: 240

約数和(自身を含む): 306525024

約数和(自身を除く): 225352944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 37, 40, 44, 45, 48, 55, 60, 66, 72, 74, 80, 88, 90, 99, 110, 111, 120, 132, 144, 148, 165, 176, 180, 185, 198, 220, 222, 240, 264, 277, 296, 330, 333, 360, 370, 396, 407, 440, 444, 495, 528, 554, 555, 592, 660, 666, 720, 740, 792, 814, 831, 880, 888, 990, 1108, 1110, 1221, 1320, 1332, 1385, 1480, 1584, 1628, 1662, 1665, 1776, 1980, 2035, 2216, 2220, 2442, 2493, 2640, 2664, 2770, 2960, 3047, 3256, 3324, 3330, 3663, 3960, 4070, 4155, 4432, 4440, 4884, 4986, 5328, 5540, 6094, 6105, 6512, 6648, 6660, 7326, 7920, 8140, 8310, 8880, 9141, 9768, 9972, 10249, 11080, 12188, 12210, 12465, 13296, 13320, 14652, 15235, 16280, 16620, 18282, 18315, 19536, 19944, 20498, 22160, 24376, 24420, 24930, 26640, 27423, 29304, 30470, 30747, 32560, 33240, 36564, 36630, 39888, 40996, 45705, 48752, 48840, 49860, 51245, 54846, 58608, 60940, 61494, 66480, 73128, 73260, 81992, 91410, 92241, 97680, 99720, 102490, 109692, 112739, 121880, 122988, 137115, 146256, 146520, 153735, 163984, 182820, 184482, 199440, 204980, 219384, 225478, 243760, 245976, 274230, 293040, 307470, 338217, 365640, 368964, 409960, 438768, 450956, 461205, 491952, 548460, 563695, 614940, 676434, 731280, 737928, 819920, 901912, 922410, 1014651, 1096920, 1127390, 1229880, 1352868, 1475856, 1691085, 1803824, 1844820, 2029302, 2193840, 2254780, 2459760, 2705736, 3382170, 3689640, 4058604, 4509560, 5073255, 5411472, 6764340, 7379280, 8117208, 9019120, 10146510, 13528680, 16234416, 20293020, 27057360, 40586040, 81172080]

約数ペア:

[(1, 81172080), (2, 40586040), (3, 27057360), (4, 20293020), (5, 16234416), (6, 13528680), (8, 10146510), (9, 9019120), (10, 8117208), (11, 7379280), (12, 6764340), (15, 5411472), (16, 5073255), (18, 4509560), (20, 4058604), (22, 3689640), (24, 3382170), (30, 2705736), (33, 2459760), (36, 2254780), (37, 2193840), (40, 2029302), (44, 1844820), (45, 1803824), (48, 1691085), (55, 1475856), (60, 1352868), (66, 1229880), (72, 1127390), (74, 1096920), (80, 1014651), (88, 922410), (90, 901912), (99, 819920), (110, 737928), (111, 731280), (120, 676434), (132, 614940), (144, 563695), (148, 548460), (165, 491952), (176, 461205), (180, 450956), (185, 438768), (198, 409960), (220, 368964), (222, 365640), (240, 338217), (264, 307470), (277, 293040), (296, 274230), (330, 245976), (333, 243760), (360, 225478), (370, 219384), (396, 204980), (407, 199440), (440, 184482), (444, 182820), (495, 163984), (528, 153735), (554, 146520), (555, 146256), (592, 137115), (660, 122988), (666, 121880), (720, 112739), (740, 109692), (792, 102490), (814, 99720), (831, 97680), (880, 92241), (888, 91410), (990, 81992), (1108, 73260), (1110, 73128), (1221, 66480), (1320, 61494), (1332, 60940), (1385, 58608), (1480, 54846), (1584, 51245), (1628, 49860), (1662, 48840), (1665, 48752), (1776, 45705), (1980, 40996), (2035, 39888), (2216, 36630), (2220, 36564), (2442, 33240), (2493, 32560), (2640, 30747), (2664, 30470), (2770, 29304), (2960, 27423), (3047, 26640), (3256, 24930), (3324, 24420), (3330, 24376), (3663, 22160), (3960, 20498), (4070, 19944), (4155, 19536), (4432, 18315), (4440, 18282), (4884, 16620), (4986, 16280), (5328, 15235), (5540, 14652), (6094, 13320), (6105, 13296), (6512, 12465), (6648, 12210), (6660, 12188), (7326, 11080), (7920, 10249), (8140, 9972), (8310, 9768), (8880, 9141)]