408012080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1307

約数の個数: 160

約数和(自身を含む): 1178972160

約数和(自身を除く): 770960080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1237, 1240, 1330, 1520, 1736, 2128, 2170, 2356, 2474, 2480, 2660, 2945, 3472, 4123, 4340, 4712, 4948, 5320, 5890, 6185, 8246, 8659, 8680, 9424, 9896, 10640, 11780, 12370, 16492, 17318, 17360, 19792, 20615, 23503, 23560, 24740, 32984, 34636, 38347, 41230, 43295, 47006, 47120, 49480, 65968, 69272, 76694, 82460, 86590, 94012, 98960, 117515, 138544, 153388, 164521, 164920, 173180, 188024, 191735, 235030, 268429, 306776, 329042, 329840, 346360, 376048, 383470, 470060, 536858, 613552, 658084, 692720, 728593, 766940, 822605, 940120, 1073716, 1316168, 1342145, 1457186, 1533880, 1645210, 1880240, 2147432, 2632336, 2684290, 2914372, 3067760, 3290420, 3642965, 4294864, 5100151, 5368580, 5828744, 6580840, 7285930, 10200302, 10737160, 11657488, 13161680, 14571860, 20400604, 21474320, 25500755, 29143720, 40801208, 51001510, 58287440, 81602416, 102003020, 204006040, 408012080]

約数ペア:

[(1, 408012080), (2, 204006040), (4, 102003020), (5, 81602416), (7, 58287440), (8, 51001510), (10, 40801208), (14, 29143720), (16, 25500755), (19, 21474320), (20, 20400604), (28, 14571860), (31, 13161680), (35, 11657488), (38, 10737160), (40, 10200302), (56, 7285930), (62, 6580840), (70, 5828744), (76, 5368580), (80, 5100151), (95, 4294864), (112, 3642965), (124, 3290420), (133, 3067760), (140, 2914372), (152, 2684290), (155, 2632336), (190, 2147432), (217, 1880240), (248, 1645210), (266, 1533880), (280, 1457186), (304, 1342145), (310, 1316168), (380, 1073716), (434, 940120), (496, 822605), (532, 766940), (560, 728593), (589, 692720), (620, 658084), (665, 613552), (760, 536858), (868, 470060), (1064, 383470), (1085, 376048), (1178, 346360), (1237, 329840), (1240, 329042), (1330, 306776), (1520, 268429), (1736, 235030), (2128, 191735), (2170, 188024), (2356, 173180), (2474, 164920), (2480, 164521), (2660, 153388), (2945, 138544), (3472, 117515), (4123, 98960), (4340, 94012), (4712, 86590), (4948, 82460), (5320, 76694), (5890, 69272), (6185, 65968), (8246, 49480), (8659, 47120), (8680, 47006), (9424, 43295), (9896, 41230), (10640, 38347), (11780, 34636), (12370, 32984), (16492, 24740), (17318, 23560), (17360, 23503), (19792, 20615)]