80978040

素因数分解:

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

素因数の和:76

約数の個数: 288

約数和(自身を含む): 313457040

約数和(自身を除く): 232479000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 121, 130, 132, 143, 156, 165, 169, 180, 195, 198, 220, 234, 242, 260, 264, 286, 312, 330, 338, 360, 363, 390, 396, 429, 440, 468, 484, 495, 507, 520, 572, 585, 605, 660, 676, 715, 726, 780, 792, 845, 858, 936, 968, 990, 1014, 1089, 1144, 1170, 1210, 1287, 1320, 1331, 1352, 1430, 1452, 1521, 1560, 1573, 1690, 1716, 1815, 1859, 1980, 2028, 2145, 2178, 2340, 2420, 2535, 2574, 2662, 2860, 2904, 3042, 3146, 3380, 3432, 3630, 3718, 3960, 3993, 4056, 4290, 4356, 4680, 4719, 4840, 5070, 5148, 5324, 5445, 5577, 5720, 6084, 6292, 6435, 6655, 6760, 7260, 7436, 7605, 7865, 7986, 8580, 8712, 9295, 9438, 10140, 10296, 10648, 10890, 11154, 11979, 12168, 12584, 12870, 13310, 14157, 14520, 14872, 15210, 15730, 15972, 16731, 17160, 17303, 18590, 18876, 19965, 20280, 20449, 21780, 22308, 23595, 23958, 25740, 26620, 27885, 28314, 30420, 31460, 31944, 33462, 34606, 37180, 37752, 39930, 40898, 43560, 44616, 47190, 47916, 51480, 51909, 53240, 55770, 56628, 59895, 60840, 61347, 62920, 66924, 69212, 70785, 74360, 79860, 81796, 83655, 86515, 94380, 95832, 102245, 103818, 111540, 113256, 119790, 122694, 133848, 138424, 141570, 155727, 159720, 163592, 167310, 173030, 184041, 188760, 204490, 207636, 223080, 224939, 239580, 245388, 259545, 283140, 306735, 311454, 334620, 346060, 368082, 408980, 415272, 449878, 479160, 490776, 519090, 566280, 613470, 622908, 669240, 674817, 692120, 736164, 778635, 817960, 899756, 920205, 1038180, 1124695, 1226940, 1245816, 1349634, 1472328, 1557270, 1799512, 1840410, 2024451, 2076360, 2249390, 2453880, 2699268, 3114540, 3374085, 3680820, 4048902, 4498780, 5398536, 6229080, 6748170, 7361640, 8097804, 8997560, 10122255, 13496340, 16195608, 20244510, 26992680, 40489020, 80978040]

約数ペア:

[(1, 80978040), (2, 40489020), (3, 26992680), (4, 20244510), (5, 16195608), (6, 13496340), (8, 10122255), (9, 8997560), (10, 8097804), (11, 7361640), (12, 6748170), (13, 6229080), (15, 5398536), (18, 4498780), (20, 4048902), (22, 3680820), (24, 3374085), (26, 3114540), (30, 2699268), (33, 2453880), (36, 2249390), (39, 2076360), (40, 2024451), (44, 1840410), (45, 1799512), (52, 1557270), (55, 1472328), (60, 1349634), (65, 1245816), (66, 1226940), (72, 1124695), (78, 1038180), (88, 920205), (90, 899756), (99, 817960), (104, 778635), (110, 736164), (117, 692120), (120, 674817), (121, 669240), (130, 622908), (132, 613470), (143, 566280), (156, 519090), (165, 490776), (169, 479160), (180, 449878), (195, 415272), (198, 408980), (220, 368082), (234, 346060), (242, 334620), (260, 311454), (264, 306735), (286, 283140), (312, 259545), (330, 245388), (338, 239580), (360, 224939), (363, 223080), (390, 207636), (396, 204490), (429, 188760), (440, 184041), (468, 173030), (484, 167310), (495, 163592), (507, 159720), (520, 155727), (572, 141570), (585, 138424), (605, 133848), (660, 122694), (676, 119790), (715, 113256), (726, 111540), (780, 103818), (792, 102245), (845, 95832), (858, 94380), (936, 86515), (968, 83655), (990, 81796), (1014, 79860), (1089, 74360), (1144, 70785), (1170, 69212), (1210, 66924), (1287, 62920), (1320, 61347), (1331, 60840), (1352, 59895), (1430, 56628), (1452, 55770), (1521, 53240), (1560, 51909), (1573, 51480), (1690, 47916), (1716, 47190), (1815, 44616), (1859, 43560), (1980, 40898), (2028, 39930), (2145, 37752), (2178, 37180), (2340, 34606), (2420, 33462), (2535, 31944), (2574, 31460), (2662, 30420), (2860, 28314), (2904, 27885), (3042, 26620), (3146, 25740), (3380, 23958), (3432, 23595), (3630, 22308), (3718, 21780), (3960, 20449), (3993, 20280), (4056, 19965), (4290, 18876), (4356, 18590), (4680, 17303), (4719, 17160), (4840, 16731), (5070, 15972), (5148, 15730), (5324, 15210), (5445, 14872), (5577, 14520), (5720, 14157), (6084, 13310), (6292, 12870), (6435, 12584), (6655, 12168), (6760, 11979), (7260, 11154), (7436, 10890), (7605, 10648), (7865, 10296), (7986, 10140), (8580, 9438), (8712, 9295)]