220680320

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 192

約数和(自身を含む): 636284160

約数和(自身を除く): 415603840

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, 227, 245, 248, 280, 310, 320, 392, 434, 448, 454, 490, 496, 560, 620, 640, 784, 868, 896, 908, 980, 992, 1085, 1120, 1135, 1240, 1519, 1568, 1589, 1736, 1816, 1960, 1984, 2170, 2240, 2270, 2480, 3038, 3136, 3178, 3472, 3632, 3920, 3968, 4340, 4480, 4540, 4960, 6076, 6272, 6356, 6944, 7037, 7264, 7595, 7840, 7945, 8680, 9080, 9920, 11123, 12152, 12712, 13888, 14074, 14528, 15190, 15680, 15890, 17360, 18160, 19840, 22246, 24304, 25424, 27776, 28148, 29056, 30380, 31360, 31780, 34720, 35185, 36320, 44492, 48608, 49259, 50848, 55615, 56296, 60760, 63560, 69440, 70370, 72640, 88984, 97216, 98518, 101696, 111230, 112592, 121520, 127120, 138880, 140740, 145280, 177968, 194432, 197036, 203392, 222460, 225184, 243040, 246295, 254240, 281480, 344813, 355936, 394072, 444920, 450368, 486080, 492590, 508480, 562960, 689626, 711872, 788144, 889840, 900736, 972160, 985180, 1016960, 1125920, 1379252, 1423744, 1576288, 1724065, 1779680, 1970360, 2251840, 2758504, 3152576, 3448130, 3559360, 3940720, 4503680, 5517008, 6305152, 6896260, 7118720, 7881440, 11034016, 13792520, 15762880, 22068032, 27585040, 31525760, 44136064, 55170080, 110340160, 220680320]

約数ペア:

[(1, 220680320), (2, 110340160), (4, 55170080), (5, 44136064), (7, 31525760), (8, 27585040), (10, 22068032), (14, 15762880), (16, 13792520), (20, 11034016), (28, 7881440), (31, 7118720), (32, 6896260), (35, 6305152), (40, 5517008), (49, 4503680), (56, 3940720), (62, 3559360), (64, 3448130), (70, 3152576), (80, 2758504), (98, 2251840), (112, 1970360), (124, 1779680), (128, 1724065), (140, 1576288), (155, 1423744), (160, 1379252), (196, 1125920), (217, 1016960), (224, 985180), (227, 972160), (245, 900736), (248, 889840), (280, 788144), (310, 711872), (320, 689626), (392, 562960), (434, 508480), (448, 492590), (454, 486080), (490, 450368), (496, 444920), (560, 394072), (620, 355936), (640, 344813), (784, 281480), (868, 254240), (896, 246295), (908, 243040), (980, 225184), (992, 222460), (1085, 203392), (1120, 197036), (1135, 194432), (1240, 177968), (1519, 145280), (1568, 140740), (1589, 138880), (1736, 127120), (1816, 121520), (1960, 112592), (1984, 111230), (2170, 101696), (2240, 98518), (2270, 97216), (2480, 88984), (3038, 72640), (3136, 70370), (3178, 69440), (3472, 63560), (3632, 60760), (3920, 56296), (3968, 55615), (4340, 50848), (4480, 49259), (4540, 48608), (4960, 44492), (6076, 36320), (6272, 35185), (6356, 34720), (6944, 31780), (7037, 31360), (7264, 30380), (7595, 29056), (7840, 28148), (7945, 27776), (8680, 25424), (9080, 24304), (9920, 22246), (11123, 19840), (12152, 18160), (12712, 17360), (13888, 15890), (14074, 15680), (14528, 15190)]