221320960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1453}}^1$

素因数の和:1498

約数の個数: 144

約数和(自身を含む): 641946816

約数和(自身を除く): 420625856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1280, 1360, 1453, 1792, 1904, 2176, 2240, 2380, 2720, 2906, 3808, 4352, 4480, 4760, 5440, 5812, 7265, 7616, 8960, 9520, 10171, 10880, 11624, 14530, 15232, 19040, 20342, 21760, 23248, 24701, 29060, 30464, 38080, 40684, 46496, 49402, 50855, 58120, 76160, 81368, 92992, 98804, 101710, 116240, 123505, 152320, 162736, 172907, 185984, 197608, 203420, 232480, 247010, 325472, 345814, 371968, 395216, 406840, 464960, 494020, 650944, 691628, 790432, 813680, 864535, 929920, 988040, 1301888, 1383256, 1580864, 1627360, 1729070, 1859840, 1976080, 2603776, 2766512, 3161728, 3254720, 3458140, 3952160, 5533024, 6323456, 6509440, 6916280, 7904320, 11066048, 13018880, 13832560, 15808640, 22132096, 27665120, 31617280, 44264192, 55330240, 110660480, 221320960]

約数ペア:

[(1, 221320960), (2, 110660480), (4, 55330240), (5, 44264192), (7, 31617280), (8, 27665120), (10, 22132096), (14, 15808640), (16, 13832560), (17, 13018880), (20, 11066048), (28, 7904320), (32, 6916280), (34, 6509440), (35, 6323456), (40, 5533024), (56, 3952160), (64, 3458140), (68, 3254720), (70, 3161728), (80, 2766512), (85, 2603776), (112, 1976080), (119, 1859840), (128, 1729070), (136, 1627360), (140, 1580864), (160, 1383256), (170, 1301888), (224, 988040), (238, 929920), (256, 864535), (272, 813680), (280, 790432), (320, 691628), (340, 650944), (448, 494020), (476, 464960), (544, 406840), (560, 395216), (595, 371968), (640, 345814), (680, 325472), (896, 247010), (952, 232480), (1088, 203420), (1120, 197608), (1190, 185984), (1280, 172907), (1360, 162736), (1453, 152320), (1792, 123505), (1904, 116240), (2176, 101710), (2240, 98804), (2380, 92992), (2720, 81368), (2906, 76160), (3808, 58120), (4352, 50855), (4480, 49402), (4760, 46496), (5440, 40684), (5812, 38080), (7265, 30464), (7616, 29060), (8960, 24701), (9520, 23248), (10171, 21760), (10880, 20342), (11624, 19040), (14530, 15232)]