221427720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:504

約数の個数: 192

約数和(自身を含む): 771891120

約数和(自身を除く): 550463400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 97, 102, 120, 136, 153, 170, 180, 194, 204, 255, 291, 306, 340, 360, 373, 388, 408, 485, 510, 582, 612, 680, 746, 765, 776, 873, 970, 1020, 1119, 1164, 1224, 1455, 1492, 1530, 1649, 1746, 1865, 1940, 2040, 2238, 2328, 2910, 2984, 3060, 3298, 3357, 3492, 3730, 3880, 4365, 4476, 4947, 5595, 5820, 6120, 6341, 6596, 6714, 6984, 7460, 8245, 8730, 8952, 9894, 11190, 11640, 12682, 13192, 13428, 14841, 14920, 16490, 16785, 17460, 19023, 19788, 22380, 24735, 25364, 26856, 29682, 31705, 32980, 33570, 34920, 36181, 38046, 39576, 44760, 49470, 50728, 57069, 59364, 63410, 65960, 67140, 72362, 74205, 76092, 95115, 98940, 108543, 114138, 118728, 126820, 134280, 144724, 148410, 152184, 180905, 190230, 197880, 217086, 228276, 253640, 285345, 289448, 296820, 325629, 361810, 380460, 434172, 456552, 542715, 570690, 593640, 615077, 651258, 723620, 760920, 868344, 1085430, 1141380, 1230154, 1302516, 1447240, 1628145, 1845231, 2170860, 2282760, 2460308, 2605032, 3075385, 3256290, 3690462, 4341720, 4920616, 5535693, 6150770, 6512580, 7380924, 9226155, 11071386, 12301540, 13025160, 14761848, 18452310, 22142772, 24603080, 27678465, 36904620, 44285544, 55356930, 73809240, 110713860, 221427720]

約数ペア:

[(1, 221427720), (2, 110713860), (3, 73809240), (4, 55356930), (5, 44285544), (6, 36904620), (8, 27678465), (9, 24603080), (10, 22142772), (12, 18452310), (15, 14761848), (17, 13025160), (18, 12301540), (20, 11071386), (24, 9226155), (30, 7380924), (34, 6512580), (36, 6150770), (40, 5535693), (45, 4920616), (51, 4341720), (60, 3690462), (68, 3256290), (72, 3075385), (85, 2605032), (90, 2460308), (97, 2282760), (102, 2170860), (120, 1845231), (136, 1628145), (153, 1447240), (170, 1302516), (180, 1230154), (194, 1141380), (204, 1085430), (255, 868344), (291, 760920), (306, 723620), (340, 651258), (360, 615077), (373, 593640), (388, 570690), (408, 542715), (485, 456552), (510, 434172), (582, 380460), (612, 361810), (680, 325629), (746, 296820), (765, 289448), (776, 285345), (873, 253640), (970, 228276), (1020, 217086), (1119, 197880), (1164, 190230), (1224, 180905), (1455, 152184), (1492, 148410), (1530, 144724), (1649, 134280), (1746, 126820), (1865, 118728), (1940, 114138), (2040, 108543), (2238, 98940), (2328, 95115), (2910, 76092), (2984, 74205), (3060, 72362), (3298, 67140), (3357, 65960), (3492, 63410), (3730, 59364), (3880, 57069), (4365, 50728), (4476, 49470), (4947, 44760), (5595, 39576), (5820, 38046), (6120, 36181), (6341, 34920), (6596, 33570), (6714, 32980), (6984, 31705), (7460, 29682), (8245, 26856), (8730, 25364), (8952, 24735), (9894, 22380), (11190, 19788), (11640, 19023), (12682, 17460), (13192, 16785), (13428, 16490), (14841, 14920)]