221622720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:739

約数の個数: 224

約数和(自身を含む): 793552896

約数和(自身を除く): 571930176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 440, 465, 480, 496, 528, 620, 660, 677, 682, 704, 744, 880, 930, 960, 992, 1023, 1056, 1240, 1320, 1354, 1364, 1488, 1705, 1760, 1860, 1984, 2031, 2046, 2112, 2480, 2640, 2708, 2728, 2976, 3385, 3410, 3520, 3720, 4062, 4092, 4960, 5115, 5280, 5416, 5456, 5952, 6770, 6820, 7440, 7447, 8124, 8184, 9920, 10155, 10230, 10560, 10832, 10912, 13540, 13640, 14880, 14894, 16248, 16368, 20310, 20460, 20987, 21664, 21824, 22341, 27080, 27280, 29760, 29788, 32496, 32736, 37235, 40620, 40920, 41974, 43328, 44682, 54160, 54560, 59576, 62961, 64992, 65472, 74470, 81240, 81840, 83948, 89364, 104935, 108320, 109120, 111705, 119152, 125922, 129984, 148940, 162480, 163680, 167896, 178728, 209870, 216640, 223410, 230857, 238304, 251844, 297880, 314805, 324960, 327360, 335792, 357456, 419740, 446820, 461714, 476608, 503688, 595760, 629610, 649920, 671584, 692571, 714912, 839480, 893640, 923428, 1007376, 1154285, 1191520, 1259220, 1343168, 1385142, 1429824, 1678960, 1787280, 1846856, 2014752, 2308570, 2383040, 2518440, 2770284, 3357920, 3462855, 3574560, 3693712, 4029504, 4617140, 5036880, 5540568, 6715840, 6925710, 7149120, 7387424, 9234280, 10073760, 11081136, 13851420, 14774848, 18468560, 20147520, 22162272, 27702840, 36937120, 44324544, 55405680, 73874240, 110811360, 221622720]

約数ペア:

[(1, 221622720), (2, 110811360), (3, 73874240), (4, 55405680), (5, 44324544), (6, 36937120), (8, 27702840), (10, 22162272), (11, 20147520), (12, 18468560), (15, 14774848), (16, 13851420), (20, 11081136), (22, 10073760), (24, 9234280), (30, 7387424), (31, 7149120), (32, 6925710), (33, 6715840), (40, 5540568), (44, 5036880), (48, 4617140), (55, 4029504), (60, 3693712), (62, 3574560), (64, 3462855), (66, 3357920), (80, 2770284), (88, 2518440), (93, 2383040), (96, 2308570), (110, 2014752), (120, 1846856), (124, 1787280), (132, 1678960), (155, 1429824), (160, 1385142), (165, 1343168), (176, 1259220), (186, 1191520), (192, 1154285), (220, 1007376), (240, 923428), (248, 893640), (264, 839480), (310, 714912), (320, 692571), (330, 671584), (341, 649920), (352, 629610), (372, 595760), (440, 503688), (465, 476608), (480, 461714), (496, 446820), (528, 419740), (620, 357456), (660, 335792), (677, 327360), (682, 324960), (704, 314805), (744, 297880), (880, 251844), (930, 238304), (960, 230857), (992, 223410), (1023, 216640), (1056, 209870), (1240, 178728), (1320, 167896), (1354, 163680), (1364, 162480), (1488, 148940), (1705, 129984), (1760, 125922), (1860, 119152), (1984, 111705), (2031, 109120), (2046, 108320), (2112, 104935), (2480, 89364), (2640, 83948), (2708, 81840), (2728, 81240), (2976, 74470), (3385, 65472), (3410, 64992), (3520, 62961), (3720, 59576), (4062, 54560), (4092, 54160), (4960, 44682), (5115, 43328), (5280, 41974), (5416, 40920), (5456, 40620), (5952, 37235), (6770, 32736), (6820, 32496), (7440, 29788), (7447, 29760), (8124, 27280), (8184, 27080), (9920, 22341), (10155, 21824), (10230, 21664), (10560, 20987), (10832, 20460), (10912, 20310), (13540, 16368), (13640, 16248), (14880, 14894)]