628987520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 192

約数和(自身を含む): 1808386560

約数和(自身を除く): 1179399040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 560, 620, 640, 647, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1294, 1519, 1568, 1736, 1960, 1984, 2170, 2240, 2480, 2588, 3038, 3136, 3235, 3472, 3920, 3968, 4340, 4480, 4529, 4960, 5176, 6076, 6272, 6470, 6944, 7595, 7840, 8680, 9058, 9920, 10352, 12152, 12940, 13888, 15190, 15680, 17360, 18116, 19840, 20057, 20704, 22645, 24304, 25880, 27776, 30380, 31360, 31703, 34720, 36232, 40114, 41408, 45290, 48608, 51760, 60760, 63406, 69440, 72464, 80228, 82816, 90580, 97216, 100285, 103520, 121520, 126812, 138880, 140399, 144928, 158515, 160456, 181160, 194432, 200570, 207040, 243040, 253624, 280798, 289856, 317030, 320912, 362320, 401140, 414080, 486080, 507248, 561596, 579712, 634060, 641824, 701995, 724640, 802280, 972160, 982793, 1014496, 1123192, 1268120, 1283648, 1403990, 1449280, 1604560, 1965586, 2028992, 2246384, 2536240, 2567296, 2807980, 2898560, 3209120, 3931172, 4057984, 4492768, 4913965, 5072480, 5615960, 6418240, 7862344, 8985536, 9827930, 10144960, 11231920, 12836480, 15724688, 17971072, 19655860, 20289920, 22463840, 31449376, 39311720, 44927680, 62898752, 78623440, 89855360, 125797504, 157246880, 314493760, 628987520]

約数ペア:

[(1, 628987520), (2, 314493760), (4, 157246880), (5, 125797504), (7, 89855360), (8, 78623440), (10, 62898752), (14, 44927680), (16, 39311720), (20, 31449376), (28, 22463840), (31, 20289920), (32, 19655860), (35, 17971072), (40, 15724688), (49, 12836480), (56, 11231920), (62, 10144960), (64, 9827930), (70, 8985536), (80, 7862344), (98, 6418240), (112, 5615960), (124, 5072480), (128, 4913965), (140, 4492768), (155, 4057984), (160, 3931172), (196, 3209120), (217, 2898560), (224, 2807980), (245, 2567296), (248, 2536240), (280, 2246384), (310, 2028992), (320, 1965586), (392, 1604560), (434, 1449280), (448, 1403990), (490, 1283648), (496, 1268120), (560, 1123192), (620, 1014496), (640, 982793), (647, 972160), (784, 802280), (868, 724640), (896, 701995), (980, 641824), (992, 634060), (1085, 579712), (1120, 561596), (1240, 507248), (1294, 486080), (1519, 414080), (1568, 401140), (1736, 362320), (1960, 320912), (1984, 317030), (2170, 289856), (2240, 280798), (2480, 253624), (2588, 243040), (3038, 207040), (3136, 200570), (3235, 194432), (3472, 181160), (3920, 160456), (3968, 158515), (4340, 144928), (4480, 140399), (4529, 138880), (4960, 126812), (5176, 121520), (6076, 103520), (6272, 100285), (6470, 97216), (6944, 90580), (7595, 82816), (7840, 80228), (8680, 72464), (9058, 69440), (9920, 63406), (10352, 60760), (12152, 51760), (12940, 48608), (13888, 45290), (15190, 41408), (15680, 40114), (17360, 36232), (18116, 34720), (19840, 31703), (20057, 31360), (20704, 30380), (22645, 27776), (24304, 25880)]