21692880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 240

約数和(自身を含む): 83119680

約数和(自身を除く): 61426800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 83, 88, 90, 99, 108, 110, 120, 121, 132, 135, 144, 165, 166, 176, 180, 198, 216, 220, 240, 242, 249, 264, 270, 297, 330, 332, 360, 363, 396, 415, 432, 440, 484, 495, 498, 528, 540, 594, 605, 660, 664, 720, 726, 747, 792, 830, 880, 913, 968, 990, 996, 1080, 1089, 1188, 1210, 1245, 1320, 1328, 1452, 1485, 1494, 1584, 1660, 1815, 1826, 1936, 1980, 1992, 2160, 2178, 2241, 2376, 2420, 2490, 2640, 2739, 2904, 2970, 2988, 3267, 3320, 3630, 3652, 3735, 3960, 3984, 4356, 4482, 4565, 4752, 4840, 4980, 5445, 5478, 5808, 5940, 5976, 6534, 6640, 7260, 7304, 7470, 7920, 8217, 8712, 8964, 9130, 9680, 9960, 10043, 10890, 10956, 11205, 11880, 11952, 13068, 13695, 14520, 14608, 14940, 16335, 16434, 17424, 17928, 18260, 19920, 20086, 21780, 21912, 22410, 23760, 24651, 26136, 27390, 29040, 29880, 30129, 32670, 32868, 35856, 36520, 40172, 41085, 43560, 43824, 44820, 49302, 50215, 52272, 54780, 59760, 60258, 65340, 65736, 73040, 80344, 82170, 87120, 89640, 90387, 98604, 100430, 109560, 120516, 123255, 130680, 131472, 150645, 160688, 164340, 179280, 180774, 197208, 200860, 219120, 241032, 246510, 261360, 271161, 301290, 328680, 361548, 394416, 401720, 451935, 482064, 493020, 542322, 602580, 657360, 723096, 803440, 903870, 986040, 1084644, 1205160, 1355805, 1446192, 1807740, 1972080, 2169288, 2410320, 2711610, 3615480, 4338576, 5423220, 7230960, 10846440, 21692880]

約数ペア:

[(1, 21692880), (2, 10846440), (3, 7230960), (4, 5423220), (5, 4338576), (6, 3615480), (8, 2711610), (9, 2410320), (10, 2169288), (11, 1972080), (12, 1807740), (15, 1446192), (16, 1355805), (18, 1205160), (20, 1084644), (22, 986040), (24, 903870), (27, 803440), (30, 723096), (33, 657360), (36, 602580), (40, 542322), (44, 493020), (45, 482064), (48, 451935), (54, 401720), (55, 394416), (60, 361548), (66, 328680), (72, 301290), (80, 271161), (83, 261360), (88, 246510), (90, 241032), (99, 219120), (108, 200860), (110, 197208), (120, 180774), (121, 179280), (132, 164340), (135, 160688), (144, 150645), (165, 131472), (166, 130680), (176, 123255), (180, 120516), (198, 109560), (216, 100430), (220, 98604), (240, 90387), (242, 89640), (249, 87120), (264, 82170), (270, 80344), (297, 73040), (330, 65736), (332, 65340), (360, 60258), (363, 59760), (396, 54780), (415, 52272), (432, 50215), (440, 49302), (484, 44820), (495, 43824), (498, 43560), (528, 41085), (540, 40172), (594, 36520), (605, 35856), (660, 32868), (664, 32670), (720, 30129), (726, 29880), (747, 29040), (792, 27390), (830, 26136), (880, 24651), (913, 23760), (968, 22410), (990, 21912), (996, 21780), (1080, 20086), (1089, 19920), (1188, 18260), (1210, 17928), (1245, 17424), (1320, 16434), (1328, 16335), (1452, 14940), (1485, 14608), (1494, 14520), (1584, 13695), (1660, 13068), (1815, 11952), (1826, 11880), (1936, 11205), (1980, 10956), (1992, 10890), (2160, 10043), (2178, 9960), (2241, 9680), (2376, 9130), (2420, 8964), (2490, 8712), (2640, 8217), (2739, 7920), (2904, 7470), (2970, 7304), (2988, 7260), (3267, 6640), (3320, 6534), (3630, 5976), (3652, 5940), (3735, 5808), (3960, 5478), (3984, 5445), (4356, 4980), (4482, 4840), (4565, 4752)]