21489401280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{16139}}^1$

素因数の和:16251

約数の個数: 224

約数和(自身を含む): 72808185600

約数和(自身を除く): 51318784320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 73, 76, 80, 95, 96, 114, 120, 146, 152, 160, 190, 192, 219, 228, 240, 285, 292, 304, 320, 365, 380, 438, 456, 480, 570, 584, 608, 730, 760, 876, 912, 960, 1095, 1140, 1168, 1216, 1387, 1460, 1520, 1752, 1824, 2190, 2280, 2336, 2774, 2920, 3040, 3504, 3648, 4161, 4380, 4560, 4672, 5548, 5840, 6080, 6935, 7008, 8322, 8760, 9120, 11096, 11680, 13870, 14016, 16139, 16644, 17520, 18240, 20805, 22192, 23360, 27740, 32278, 33288, 35040, 41610, 44384, 48417, 55480, 64556, 66576, 70080, 80695, 83220, 88768, 96834, 110960, 129112, 133152, 161390, 166440, 193668, 221920, 242085, 258224, 266304, 306641, 322780, 332880, 387336, 443840, 484170, 516448, 613282, 645560, 665760, 774672, 919923, 968340, 1032896, 1178147, 1226564, 1291120, 1331520, 1533205, 1549344, 1839846, 1936680, 2356294, 2453128, 2582240, 3066410, 3098688, 3534441, 3679692, 3873360, 4599615, 4712588, 4906256, 5164480, 5890735, 6132820, 7068882, 7359384, 7746720, 9199230, 9425176, 9812512, 11781470, 12265640, 14137764, 14718768, 15493440, 17672205, 18398460, 18850352, 19625024, 22384793, 23562940, 24531280, 28275528, 29437536, 35344410, 36796920, 37700704, 44769586, 47125880, 49062560, 56551056, 58875072, 67154379, 70688820, 73593840, 75401408, 89539172, 94251760, 98125120, 111923965, 113102112, 134308758, 141377640, 147187680, 179078344, 188503520, 223847930, 226204224, 268617516, 282755280, 294375360, 335771895, 358156688, 377007040, 447695860, 537235032, 565510560, 671543790, 716313376, 895391720, 1074470064, 1131021120, 1343087580, 1432626752, 1790783440, 2148940128, 2686175160, 3581566880, 4297880256, 5372350320, 7163133760, 10744700640, 21489401280]

約数ペア:

[(1, 21489401280), (2, 10744700640), (3, 7163133760), (4, 5372350320), (5, 4297880256), (6, 3581566880), (8, 2686175160), (10, 2148940128), (12, 1790783440), (15, 1432626752), (16, 1343087580), (19, 1131021120), (20, 1074470064), (24, 895391720), (30, 716313376), (32, 671543790), (38, 565510560), (40, 537235032), (48, 447695860), (57, 377007040), (60, 358156688), (64, 335771895), (73, 294375360), (76, 282755280), (80, 268617516), (95, 226204224), (96, 223847930), (114, 188503520), (120, 179078344), (146, 147187680), (152, 141377640), (160, 134308758), (190, 113102112), (192, 111923965), (219, 98125120), (228, 94251760), (240, 89539172), (285, 75401408), (292, 73593840), (304, 70688820), (320, 67154379), (365, 58875072), (380, 56551056), (438, 49062560), (456, 47125880), (480, 44769586), (570, 37700704), (584, 36796920), (608, 35344410), (730, 29437536), (760, 28275528), (876, 24531280), (912, 23562940), (960, 22384793), (1095, 19625024), (1140, 18850352), (1168, 18398460), (1216, 17672205), (1387, 15493440), (1460, 14718768), (1520, 14137764), (1752, 12265640), (1824, 11781470), (2190, 9812512), (2280, 9425176), (2336, 9199230), (2774, 7746720), (2920, 7359384), (3040, 7068882), (3504, 6132820), (3648, 5890735), (4161, 5164480), (4380, 4906256), (4560, 4712588), (4672, 4599615), (5548, 3873360), (5840, 3679692), (6080, 3534441), (6935, 3098688), (7008, 3066410), (8322, 2582240), (8760, 2453128), (9120, 2356294), (11096, 1936680), (11680, 1839846), (13870, 1549344), (14016, 1533205), (16139, 1331520), (16644, 1291120), (17520, 1226564), (18240, 1178147), (20805, 1032896), (22192, 968340), (23360, 919923), (27740, 774672), (32278, 665760), (33288, 645560), (35040, 613282), (41610, 516448), (44384, 484170), (48417, 443840), (55480, 387336), (64556, 332880), (66576, 322780), (70080, 306641), (80695, 266304), (83220, 258224), (88768, 242085), (96834, 221920), (110960, 193668), (129112, 166440), (133152, 161390)]