81535740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 288

約数和(自身を含む): 292190976

約数和(自身を除く): 210655236

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 17, 20, 22, 26, 30, 33, 34, 39, 43, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 86, 102, 110, 129, 130, 132, 143, 156, 165, 169, 170, 172, 187, 195, 204, 215, 220, 221, 255, 258, 260, 286, 330, 338, 340, 374, 390, 429, 430, 442, 473, 507, 510, 516, 559, 561, 572, 645, 660, 663, 676, 715, 731, 748, 780, 845, 858, 860, 884, 935, 946, 1014, 1020, 1105, 1118, 1122, 1290, 1326, 1419, 1430, 1462, 1677, 1690, 1716, 1859, 1870, 1892, 2028, 2145, 2193, 2210, 2236, 2244, 2365, 2431, 2535, 2580, 2652, 2795, 2805, 2838, 2860, 2873, 2924, 3315, 3354, 3380, 3655, 3718, 3740, 4290, 4386, 4420, 4730, 4862, 5070, 5577, 5590, 5610, 5676, 5746, 6149, 6630, 6708, 7095, 7267, 7293, 7310, 7436, 8041, 8385, 8580, 8619, 8772, 9295, 9460, 9503, 9724, 10140, 10965, 11154, 11180, 11220, 11492, 12155, 12298, 13260, 14190, 14365, 14534, 14586, 14620, 16082, 16770, 17238, 18447, 18590, 19006, 21801, 21930, 22308, 24123, 24310, 24596, 27885, 28380, 28509, 28730, 29068, 29172, 30745, 31603, 32164, 33540, 34476, 36335, 36465, 36894, 37180, 38012, 40205, 43095, 43602, 43860, 47515, 48246, 48620, 55770, 57018, 57460, 61490, 63206, 72670, 72930, 73788, 79937, 80410, 86190, 87204, 92235, 94809, 95030, 96492, 104533, 109005, 111540, 114036, 120615, 122980, 123539, 126412, 142545, 145340, 145860, 158015, 159874, 160820, 172380, 184470, 189618, 190060, 209066, 218010, 239811, 241230, 247078, 285090, 313599, 316030, 319748, 368940, 370617, 379236, 399685, 418132, 436020, 474045, 479622, 482460, 494156, 522665, 570180, 617695, 627198, 632060, 741234, 799370, 948090, 959244, 1045330, 1199055, 1235390, 1254396, 1358929, 1482468, 1567995, 1598740, 1853085, 1896180, 2090660, 2398110, 2470780, 2717858, 3135990, 3706170, 4076787, 4796220, 5435716, 6271980, 6794645, 7412340, 8153574, 13589290, 16307148, 20383935, 27178580, 40767870, 81535740]

約数ペア:

[(1, 81535740), (2, 40767870), (3, 27178580), (4, 20383935), (5, 16307148), (6, 13589290), (10, 8153574), (11, 7412340), (12, 6794645), (13, 6271980), (15, 5435716), (17, 4796220), (20, 4076787), (22, 3706170), (26, 3135990), (30, 2717858), (33, 2470780), (34, 2398110), (39, 2090660), (43, 1896180), (44, 1853085), (51, 1598740), (52, 1567995), (55, 1482468), (60, 1358929), (65, 1254396), (66, 1235390), (68, 1199055), (78, 1045330), (85, 959244), (86, 948090), (102, 799370), (110, 741234), (129, 632060), (130, 627198), (132, 617695), (143, 570180), (156, 522665), (165, 494156), (169, 482460), (170, 479622), (172, 474045), (187, 436020), (195, 418132), (204, 399685), (215, 379236), (220, 370617), (221, 368940), (255, 319748), (258, 316030), (260, 313599), (286, 285090), (330, 247078), (338, 241230), (340, 239811), (374, 218010), (390, 209066), (429, 190060), (430, 189618), (442, 184470), (473, 172380), (507, 160820), (510, 159874), (516, 158015), (559, 145860), (561, 145340), (572, 142545), (645, 126412), (660, 123539), (663, 122980), (676, 120615), (715, 114036), (731, 111540), (748, 109005), (780, 104533), (845, 96492), (858, 95030), (860, 94809), (884, 92235), (935, 87204), (946, 86190), (1014, 80410), (1020, 79937), (1105, 73788), (1118, 72930), (1122, 72670), (1290, 63206), (1326, 61490), (1419, 57460), (1430, 57018), (1462, 55770), (1677, 48620), (1690, 48246), (1716, 47515), (1859, 43860), (1870, 43602), (1892, 43095), (2028, 40205), (2145, 38012), (2193, 37180), (2210, 36894), (2236, 36465), (2244, 36335), (2365, 34476), (2431, 33540), (2535, 32164), (2580, 31603), (2652, 30745), (2795, 29172), (2805, 29068), (2838, 28730), (2860, 28509), (2873, 28380), (2924, 27885), (3315, 24596), (3354, 24310), (3380, 24123), (3655, 22308), (3718, 21930), (3740, 21801), (4290, 19006), (4386, 18590), (4420, 18447), (4730, 17238), (4862, 16770), (5070, 16082), (5577, 14620), (5590, 14586), (5610, 14534), (5676, 14365), (5746, 14190), (6149, 13260), (6630, 12298), (6708, 12155), (7095, 11492), (7267, 11220), (7293, 11180), (7310, 11154), (7436, 10965), (8041, 10140), (8385, 9724), (8580, 9503), (8619, 9460), (8772, 9295)]