720490680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7331}}^1$

素因数の和:7371

約数の個数: 256

約数和(自身を含む): 2956262400

約数和(自身を除く): 2235771720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6552, 7020, 7331, 7560, 8190, 9828, 10920, 12285, 14040, 14662, 16380, 19656, 21993, 24570, 29324, 32760, 36655, 43986, 49140, 51317, 58648, 65979, 73310, 87972, 95303, 98280, 102634, 109965, 131958, 146620, 153951, 175944, 190606, 197937, 205268, 219930, 256585, 263916, 285909, 293240, 307902, 329895, 381212, 395874, 410536, 439860, 461853, 476515, 513170, 527832, 571818, 615804, 659790, 667121, 762424, 769755, 791748, 857727, 879720, 923706, 953030, 989685, 1026340, 1143636, 1231608, 1319580, 1334242, 1385559, 1429545, 1539510, 1583496, 1715454, 1847412, 1906060, 1979370, 2001363, 2052680, 2287272, 2309265, 2573181, 2639160, 2668484, 2771118, 2859090, 3079020, 3335605, 3430908, 3694824, 3812120, 3958740, 4002726, 4288635, 4618530, 5146362, 5336968, 5542236, 5718180, 6004089, 6158040, 6671210, 6861816, 6927795, 7917480, 8005452, 8577270, 9237060, 10006815, 10292724, 11084472, 11436360, 12008178, 12865905, 13342420, 13855590, 16010904, 17154540, 18012267, 18474120, 20013630, 20585448, 24016356, 25731810, 26684840, 27711180, 30020445, 34309080, 36024534, 40027260, 48032712, 51463620, 55422360, 60040890, 72049068, 80054520, 90061335, 102927240, 120081780, 144098136, 180122670, 240163560, 360245340, 720490680]

約数ペア:

[(1, 720490680), (2, 360245340), (3, 240163560), (4, 180122670), (5, 144098136), (6, 120081780), (7, 102927240), (8, 90061335), (9, 80054520), (10, 72049068), (12, 60040890), (13, 55422360), (14, 51463620), (15, 48032712), (18, 40027260), (20, 36024534), (21, 34309080), (24, 30020445), (26, 27711180), (27, 26684840), (28, 25731810), (30, 24016356), (35, 20585448), (36, 20013630), (39, 18474120), (40, 18012267), (42, 17154540), (45, 16010904), (52, 13855590), (54, 13342420), (56, 12865905), (60, 12008178), (63, 11436360), (65, 11084472), (70, 10292724), (72, 10006815), (78, 9237060), (84, 8577270), (90, 8005452), (91, 7917480), (104, 6927795), (105, 6861816), (108, 6671210), (117, 6158040), (120, 6004089), (126, 5718180), (130, 5542236), (135, 5336968), (140, 5146362), (156, 4618530), (168, 4288635), (180, 4002726), (182, 3958740), (189, 3812120), (195, 3694824), (210, 3430908), (216, 3335605), (234, 3079020), (252, 2859090), (260, 2771118), (270, 2668484), (273, 2639160), (280, 2573181), (312, 2309265), (315, 2287272), (351, 2052680), (360, 2001363), (364, 1979370), (378, 1906060), (390, 1847412), (420, 1715454), (455, 1583496), (468, 1539510), (504, 1429545), (520, 1385559), (540, 1334242), (546, 1319580), (585, 1231608), (630, 1143636), (702, 1026340), (728, 989685), (756, 953030), (780, 923706), (819, 879720), (840, 857727), (910, 791748), (936, 769755), (945, 762424), (1080, 667121), (1092, 659790), (1170, 615804), (1260, 571818), (1365, 527832), (1404, 513170), (1512, 476515), (1560, 461853), (1638, 439860), (1755, 410536), (1820, 395874), (1890, 381212), (2184, 329895), (2340, 307902), (2457, 293240), (2520, 285909), (2730, 263916), (2808, 256585), (3276, 219930), (3510, 205268), (3640, 197937), (3780, 190606), (4095, 175944), (4680, 153951), (4914, 146620), (5460, 131958), (6552, 109965), (7020, 102634), (7331, 98280), (7560, 95303), (8190, 87972), (9828, 73310), (10920, 65979), (12285, 58648), (14040, 51317), (14662, 49140), (16380, 43986), (19656, 36655), (21993, 32760), (24570, 29324)]