81744840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 288

約数和(自身を含む): 304906680

約数和(自身を除く): 223161840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 37, 38, 40, 45, 51, 57, 60, 68, 72, 74, 76, 85, 90, 95, 102, 111, 114, 120, 136, 148, 152, 153, 170, 171, 180, 185, 190, 204, 222, 228, 255, 285, 296, 306, 323, 333, 340, 342, 360, 361, 370, 380, 408, 444, 456, 510, 555, 570, 612, 629, 646, 666, 680, 684, 703, 722, 740, 760, 765, 855, 888, 969, 1020, 1083, 1110, 1140, 1224, 1258, 1292, 1332, 1368, 1406, 1444, 1480, 1530, 1615, 1665, 1710, 1805, 1887, 1938, 2040, 2109, 2166, 2220, 2280, 2516, 2584, 2664, 2812, 2888, 2907, 3060, 3145, 3230, 3249, 3330, 3420, 3515, 3610, 3774, 3876, 4218, 4332, 4440, 4845, 5032, 5415, 5624, 5661, 5814, 6120, 6137, 6290, 6327, 6460, 6498, 6660, 6840, 7030, 7220, 7548, 7752, 8436, 8664, 9435, 9690, 10545, 10830, 11322, 11628, 11951, 12274, 12580, 12654, 12920, 12996, 13320, 13357, 14060, 14440, 14535, 15096, 16245, 16872, 18411, 18870, 19380, 21090, 21660, 22644, 23256, 23902, 24548, 25160, 25308, 25992, 26714, 28120, 28305, 29070, 30685, 31635, 32490, 35853, 36822, 37740, 38760, 40071, 42180, 43320, 45288, 47804, 49096, 50616, 53428, 55233, 56610, 58140, 59755, 61370, 63270, 64980, 66785, 71706, 73644, 75480, 80142, 84360, 92055, 95608, 106856, 107559, 110466, 113220, 116280, 119510, 120213, 122740, 126540, 129960, 133570, 143412, 147288, 160284, 179265, 184110, 200355, 215118, 220932, 226440, 227069, 239020, 240426, 245480, 253080, 267140, 276165, 286824, 320568, 358530, 368220, 400710, 430236, 441864, 454138, 478040, 480852, 534280, 537795, 552330, 601065, 681207, 717060, 736440, 801420, 860472, 908276, 961704, 1075590, 1104660, 1135345, 1202130, 1362414, 1434120, 1602840, 1816552, 2043621, 2151180, 2209320, 2270690, 2404260, 2724828, 3406035, 4087242, 4302360, 4541380, 4808520, 5449656, 6812070, 8174484, 9082760, 10218105, 13624140, 16348968, 20436210, 27248280, 40872420, 81744840]

約数ペア:

[(1, 81744840), (2, 40872420), (3, 27248280), (4, 20436210), (5, 16348968), (6, 13624140), (8, 10218105), (9, 9082760), (10, 8174484), (12, 6812070), (15, 5449656), (17, 4808520), (18, 4541380), (19, 4302360), (20, 4087242), (24, 3406035), (30, 2724828), (34, 2404260), (36, 2270690), (37, 2209320), (38, 2151180), (40, 2043621), (45, 1816552), (51, 1602840), (57, 1434120), (60, 1362414), (68, 1202130), (72, 1135345), (74, 1104660), (76, 1075590), (85, 961704), (90, 908276), (95, 860472), (102, 801420), (111, 736440), (114, 717060), (120, 681207), (136, 601065), (148, 552330), (152, 537795), (153, 534280), (170, 480852), (171, 478040), (180, 454138), (185, 441864), (190, 430236), (204, 400710), (222, 368220), (228, 358530), (255, 320568), (285, 286824), (296, 276165), (306, 267140), (323, 253080), (333, 245480), (340, 240426), (342, 239020), (360, 227069), (361, 226440), (370, 220932), (380, 215118), (408, 200355), (444, 184110), (456, 179265), (510, 160284), (555, 147288), (570, 143412), (612, 133570), (629, 129960), (646, 126540), (666, 122740), (680, 120213), (684, 119510), (703, 116280), (722, 113220), (740, 110466), (760, 107559), (765, 106856), (855, 95608), (888, 92055), (969, 84360), (1020, 80142), (1083, 75480), (1110, 73644), (1140, 71706), (1224, 66785), (1258, 64980), (1292, 63270), (1332, 61370), (1368, 59755), (1406, 58140), (1444, 56610), (1480, 55233), (1530, 53428), (1615, 50616), (1665, 49096), (1710, 47804), (1805, 45288), (1887, 43320), (1938, 42180), (2040, 40071), (2109, 38760), (2166, 37740), (2220, 36822), (2280, 35853), (2516, 32490), (2584, 31635), (2664, 30685), (2812, 29070), (2888, 28305), (2907, 28120), (3060, 26714), (3145, 25992), (3230, 25308), (3249, 25160), (3330, 24548), (3420, 23902), (3515, 23256), (3610, 22644), (3774, 21660), (3876, 21090), (4218, 19380), (4332, 18870), (4440, 18411), (4845, 16872), (5032, 16245), (5415, 15096), (5624, 14535), (5661, 14440), (5814, 14060), (6120, 13357), (6137, 13320), (6290, 12996), (6327, 12920), (6460, 12654), (6498, 12580), (6660, 12274), (6840, 11951), (7030, 11628), (7220, 11322), (7548, 10830), (7752, 10545), (8436, 9690), (8664, 9435)]