21639671520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{76541}}^1$

素因数の和:76609

約数の個数: 192

約数和(自身を含む): 74068162560

約数和(自身を除く): 52428491040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 114, 120, 124, 152, 155, 160, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 480, 496, 570, 589, 608, 620, 744, 760, 912, 930, 992, 1140, 1178, 1240, 1488, 1520, 1767, 1824, 1860, 2280, 2356, 2480, 2945, 2976, 3040, 3534, 3720, 4560, 4712, 4960, 5890, 7068, 7440, 8835, 9120, 9424, 11780, 14136, 14880, 17670, 18848, 23560, 28272, 35340, 47120, 56544, 70680, 76541, 94240, 141360, 153082, 229623, 282720, 306164, 382705, 459246, 612328, 765410, 918492, 1148115, 1224656, 1454279, 1530820, 1836984, 2296230, 2372771, 2449312, 2908558, 3061640, 3673968, 4362837, 4592460, 4745542, 5817116, 6123280, 7118313, 7271395, 7347936, 8725674, 9184920, 9491084, 11634232, 11863855, 12246560, 14236626, 14542790, 17451348, 18369840, 18982168, 21814185, 23268464, 23727710, 28473252, 29085580, 34902696, 35591565, 36739680, 37964336, 43628370, 45082649, 46536928, 47455420, 56946504, 58171160, 69805392, 71183130, 75928672, 87256740, 90165298, 94910840, 113893008, 116342320, 135247947, 139610784, 142366260, 174513480, 180330596, 189821680, 225413245, 227786016, 232684640, 270495894, 284732520, 349026960, 360661192, 379643360, 450826490, 540991788, 569465040, 676239735, 698053920, 721322384, 901652980, 1081983576, 1138930080, 1352479470, 1442644768, 1803305960, 2163967152, 2704958940, 3606611920, 4327934304, 5409917880, 7213223840, 10819835760, 21639671520]

約数ペア:

[(1, 21639671520), (2, 10819835760), (3, 7213223840), (4, 5409917880), (5, 4327934304), (6, 3606611920), (8, 2704958940), (10, 2163967152), (12, 1803305960), (15, 1442644768), (16, 1352479470), (19, 1138930080), (20, 1081983576), (24, 901652980), (30, 721322384), (31, 698053920), (32, 676239735), (38, 569465040), (40, 540991788), (48, 450826490), (57, 379643360), (60, 360661192), (62, 349026960), (76, 284732520), (80, 270495894), (93, 232684640), (95, 227786016), (96, 225413245), (114, 189821680), (120, 180330596), (124, 174513480), (152, 142366260), (155, 139610784), (160, 135247947), (186, 116342320), (190, 113893008), (228, 94910840), (240, 90165298), (248, 87256740), (285, 75928672), (304, 71183130), (310, 69805392), (372, 58171160), (380, 56946504), (456, 47455420), (465, 46536928), (480, 45082649), (496, 43628370), (570, 37964336), (589, 36739680), (608, 35591565), (620, 34902696), (744, 29085580), (760, 28473252), (912, 23727710), (930, 23268464), (992, 21814185), (1140, 18982168), (1178, 18369840), (1240, 17451348), (1488, 14542790), (1520, 14236626), (1767, 12246560), (1824, 11863855), (1860, 11634232), (2280, 9491084), (2356, 9184920), (2480, 8725674), (2945, 7347936), (2976, 7271395), (3040, 7118313), (3534, 6123280), (3720, 5817116), (4560, 4745542), (4712, 4592460), (4960, 4362837), (5890, 3673968), (7068, 3061640), (7440, 2908558), (8835, 2449312), (9120, 2372771), (9424, 2296230), (11780, 1836984), (14136, 1530820), (14880, 1454279), (17670, 1224656), (18848, 1148115), (23560, 918492), (28272, 765410), (35340, 612328), (47120, 459246), (56544, 382705), (70680, 306164), (76541, 282720), (94240, 229623), (141360, 153082)]