639969120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21163}}^1$

素因数の和:21194

約数の個数: 192

約数和(自身を含む): 2559997440

約数和(自身を除く): 1920028320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 21163, 30240, 42326, 63489, 84652, 105815, 126978, 148141, 169304, 190467, 211630, 253956, 296282, 317445, 338608, 380934, 423260, 444423, 507912, 571401, 592564, 634890, 677216, 740705, 761868, 846520, 888846, 952335, 1015824, 1142802, 1185128, 1269780, 1333269, 1481410, 1523736, 1693040, 1777692, 1904670, 2031648, 2222115, 2285604, 2370256, 2539560, 2666538, 2857005, 2962820, 3047472, 3386080, 3555384, 3809340, 3999807, 4444230, 4571208, 4740512, 5079120, 5333076, 5714010, 5925640, 6094944, 6666345, 7110768, 7618680, 7999614, 8888460, 9142416, 10158240, 10666152, 11428020, 11851280, 13332690, 14221536, 15237360, 15999228, 17776920, 18284832, 19999035, 21332304, 22856040, 23702560, 26665380, 30474720, 31998456, 35553840, 39998070, 42664608, 45712080, 53330760, 63996912, 71107680, 79996140, 91424160, 106661520, 127993824, 159992280, 213323040, 319984560, 639969120]

約数ペア:

[(1, 639969120), (2, 319984560), (3, 213323040), (4, 159992280), (5, 127993824), (6, 106661520), (7, 91424160), (8, 79996140), (9, 71107680), (10, 63996912), (12, 53330760), (14, 45712080), (15, 42664608), (16, 39998070), (18, 35553840), (20, 31998456), (21, 30474720), (24, 26665380), (27, 23702560), (28, 22856040), (30, 21332304), (32, 19999035), (35, 18284832), (36, 17776920), (40, 15999228), (42, 15237360), (45, 14221536), (48, 13332690), (54, 11851280), (56, 11428020), (60, 10666152), (63, 10158240), (70, 9142416), (72, 8888460), (80, 7999614), (84, 7618680), (90, 7110768), (96, 6666345), (105, 6094944), (108, 5925640), (112, 5714010), (120, 5333076), (126, 5079120), (135, 4740512), (140, 4571208), (144, 4444230), (160, 3999807), (168, 3809340), (180, 3555384), (189, 3386080), (210, 3047472), (216, 2962820), (224, 2857005), (240, 2666538), (252, 2539560), (270, 2370256), (280, 2285604), (288, 2222115), (315, 2031648), (336, 1904670), (360, 1777692), (378, 1693040), (420, 1523736), (432, 1481410), (480, 1333269), (504, 1269780), (540, 1185128), (560, 1142802), (630, 1015824), (672, 952335), (720, 888846), (756, 846520), (840, 761868), (864, 740705), (945, 677216), (1008, 634890), (1080, 592564), (1120, 571401), (1260, 507912), (1440, 444423), (1512, 423260), (1680, 380934), (1890, 338608), (2016, 317445), (2160, 296282), (2520, 253956), (3024, 211630), (3360, 190467), (3780, 169304), (4320, 148141), (5040, 126978), (6048, 105815), (7560, 84652), (10080, 63489), (15120, 42326), (21163, 30240)]