1519996960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 3932893440

約数和(自身を除く): 2412896480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 127, 152, 155, 160, 190, 248, 254, 304, 310, 380, 496, 508, 589, 608, 620, 635, 760, 992, 1016, 1178, 1240, 1270, 1520, 2032, 2356, 2413, 2480, 2540, 2945, 3040, 3937, 4064, 4712, 4826, 4960, 5080, 5890, 7874, 9424, 9652, 10160, 11780, 12065, 15748, 16129, 18848, 19304, 19685, 20320, 23560, 24130, 31496, 32258, 38608, 39370, 47120, 48260, 62992, 64516, 74803, 77216, 78740, 80645, 94240, 96520, 125984, 129032, 149606, 157480, 161290, 193040, 258064, 299212, 306451, 314960, 322580, 374015, 386080, 499999, 516128, 598424, 612902, 629920, 645160, 748030, 999998, 1196848, 1225804, 1290320, 1496060, 1532255, 1999996, 2393696, 2451608, 2499995, 2580640, 2992120, 3064510, 3999992, 4903216, 4999990, 5984240, 6129020, 7999984, 9499981, 9806432, 9999980, 11968480, 12258040, 15999968, 18999962, 19999960, 24516080, 37999924, 39999920, 47499905, 49032160, 75999848, 79999840, 94999810, 151999696, 189999620, 303999392, 379999240, 759998480, 1519996960]

約数ペア:

[(1, 1519996960), (2, 759998480), (4, 379999240), (5, 303999392), (8, 189999620), (10, 151999696), (16, 94999810), (19, 79999840), (20, 75999848), (31, 49032160), (32, 47499905), (38, 39999920), (40, 37999924), (62, 24516080), (76, 19999960), (80, 18999962), (95, 15999968), (124, 12258040), (127, 11968480), (152, 9999980), (155, 9806432), (160, 9499981), (190, 7999984), (248, 6129020), (254, 5984240), (304, 4999990), (310, 4903216), (380, 3999992), (496, 3064510), (508, 2992120), (589, 2580640), (608, 2499995), (620, 2451608), (635, 2393696), (760, 1999996), (992, 1532255), (1016, 1496060), (1178, 1290320), (1240, 1225804), (1270, 1196848), (1520, 999998), (2032, 748030), (2356, 645160), (2413, 629920), (2480, 612902), (2540, 598424), (2945, 516128), (3040, 499999), (3937, 386080), (4064, 374015), (4712, 322580), (4826, 314960), (4960, 306451), (5080, 299212), (5890, 258064), (7874, 193040), (9424, 161290), (9652, 157480), (10160, 149606), (11780, 129032), (12065, 125984), (15748, 96520), (16129, 94240), (18848, 80645), (19304, 78740), (19685, 77216), (20320, 74803), (23560, 64516), (24130, 62992), (31496, 48260), (32258, 47120), (38608, 39370)]