217294560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21557}}^1$

素因数の和:21585

約数の個数: 144

約数和(自身を含む): 847488096

約数和(自身を除く): 630193536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21557, 43114, 64671, 86228, 107785, 129342, 150899, 172456, 194013, 215570, 258684, 301798, 323355, 344912, 388026, 431140, 452697, 517368, 603596, 646710, 689824, 754495, 776052, 862280, 905394, 970065, 1034736, 1207192, 1293420, 1358091, 1508990, 1552104, 1724560, 1810788, 1940130, 2069472, 2263485, 2414384, 2586840, 2716182, 3017980, 3104208, 3449120, 3621576, 3880260, 4526970, 4828768, 5173680, 5432364, 6035960, 6208416, 6790455, 7243152, 7760520, 9053940, 10347360, 10864728, 12071920, 13580910, 14486304, 15521040, 18107880, 21729456, 24143840, 27161820, 31042080, 36215760, 43458912, 54323640, 72431520, 108647280, 217294560]

約数ペア:

[(1, 217294560), (2, 108647280), (3, 72431520), (4, 54323640), (5, 43458912), (6, 36215760), (7, 31042080), (8, 27161820), (9, 24143840), (10, 21729456), (12, 18107880), (14, 15521040), (15, 14486304), (16, 13580910), (18, 12071920), (20, 10864728), (21, 10347360), (24, 9053940), (28, 7760520), (30, 7243152), (32, 6790455), (35, 6208416), (36, 6035960), (40, 5432364), (42, 5173680), (45, 4828768), (48, 4526970), (56, 3880260), (60, 3621576), (63, 3449120), (70, 3104208), (72, 3017980), (80, 2716182), (84, 2586840), (90, 2414384), (96, 2263485), (105, 2069472), (112, 1940130), (120, 1810788), (126, 1724560), (140, 1552104), (144, 1508990), (160, 1358091), (168, 1293420), (180, 1207192), (210, 1034736), (224, 970065), (240, 905394), (252, 862280), (280, 776052), (288, 754495), (315, 689824), (336, 646710), (360, 603596), (420, 517368), (480, 452697), (504, 431140), (560, 388026), (630, 344912), (672, 323355), (720, 301798), (840, 258684), (1008, 215570), (1120, 194013), (1260, 172456), (1440, 150899), (1680, 129342), (2016, 107785), (2520, 86228), (3360, 64671), (5040, 43114), (10080, 21557)]