1987467394640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{284083}}^1$

素因数の和:284178

約数の個数: 240

約数和(自身を含む): 5876611622784

約数和(自身を除く): 3889144228144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 961, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 1922, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 3844, 4030, 4340, 4805, 5642, 6448, 6727, 7280, 7688, 8060, 8680, 9610, 11284, 12493, 13454, 14105, 15376, 16120, 17360, 19220, 22568, 24986, 26908, 28210, 32240, 33635, 38440, 45136, 49972, 53816, 56420, 62465, 67270, 76880, 87451, 99944, 107632, 112840, 124930, 134540, 174902, 199888, 225680, 249860, 269080, 284083, 349804, 437255, 499720, 538160, 568166, 699608, 874510, 999440, 1136332, 1399216, 1420415, 1749020, 1988581, 2272664, 2840830, 3498040, 3693079, 3977162, 4545328, 5681660, 6996080, 7386158, 7954324, 8806573, 9942905, 11363320, 14772316, 15908648, 17613146, 18465395, 19885810, 22726640, 25851553, 29544632, 31817296, 35226292, 36930790, 39771620, 44032865, 51703106, 59089264, 61646011, 70452584, 73861580, 79543240, 88065730, 103406212, 114485449, 123292022, 129257765, 140905168, 147723160, 159086480, 176131460, 206812424, 228970898, 246584044, 258515530, 273003763, 295446320, 308230055, 352262920, 413624848, 457941796, 493168088, 517031060, 546007526, 572427245, 616460110, 704525840, 801398143, 915883592, 986336176, 1034062120, 1092015052, 1144854490, 1232920220, 1365018815, 1602796286, 1831767184, 1911026341, 2068124240, 2184030104, 2289708980, 2465840440, 2730037630, 3205592572, 3549048919, 3822052682, 4006990715, 4368060208, 4579417960, 4931680880, 5460075260, 6411185144, 7098097838, 7644105364, 8013981430, 9158835920, 9555131705, 10920150520, 12822370288, 14196195676, 15288210728, 16027962860, 17745244595, 19110263410, 21840301040, 24843342433, 28392391352, 30576421456, 32055925720, 35490489190, 38220526820, 49686684866, 56784782704, 64111851440, 70980978380, 76441053640, 99373369732, 124216712165, 141961956760, 152882107280, 198746739464, 248433424330, 283923913520, 397493478928, 496866848660, 993733697320, 1987467394640]

約数ペア:

[(1, 1987467394640), (2, 993733697320), (4, 496866848660), (5, 397493478928), (7, 283923913520), (8, 248433424330), (10, 198746739464), (13, 152882107280), (14, 141961956760), (16, 124216712165), (20, 99373369732), (26, 76441053640), (28, 70980978380), (31, 64111851440), (35, 56784782704), (40, 49686684866), (52, 38220526820), (56, 35490489190), (62, 32055925720), (65, 30576421456), (70, 28392391352), (80, 24843342433), (91, 21840301040), (104, 19110263410), (112, 17745244595), (124, 16027962860), (130, 15288210728), (140, 14196195676), (155, 12822370288), (182, 10920150520), (208, 9555131705), (217, 9158835920), (248, 8013981430), (260, 7644105364), (280, 7098097838), (310, 6411185144), (364, 5460075260), (403, 4931680880), (434, 4579417960), (455, 4368060208), (496, 4006990715), (520, 3822052682), (560, 3549048919), (620, 3205592572), (728, 2730037630), (806, 2465840440), (868, 2289708980), (910, 2184030104), (961, 2068124240), (1040, 1911026341), (1085, 1831767184), (1240, 1602796286), (1456, 1365018815), (1612, 1232920220), (1736, 1144854490), (1820, 1092015052), (1922, 1034062120), (2015, 986336176), (2170, 915883592), (2480, 801398143), (2821, 704525840), (3224, 616460110), (3472, 572427245), (3640, 546007526), (3844, 517031060), (4030, 493168088), (4340, 457941796), (4805, 413624848), (5642, 352262920), (6448, 308230055), (6727, 295446320), (7280, 273003763), (7688, 258515530), (8060, 246584044), (8680, 228970898), (9610, 206812424), (11284, 176131460), (12493, 159086480), (13454, 147723160), (14105, 140905168), (15376, 129257765), (16120, 123292022), (17360, 114485449), (19220, 103406212), (22568, 88065730), (24986, 79543240), (26908, 73861580), (28210, 70452584), (32240, 61646011), (33635, 59089264), (38440, 51703106), (45136, 44032865), (49972, 39771620), (53816, 36930790), (56420, 35226292), (62465, 31817296), (67270, 29544632), (76880, 25851553), (87451, 22726640), (99944, 19885810), (107632, 18465395), (112840, 17613146), (124930, 15908648), (134540, 14772316), (174902, 11363320), (199888, 9942905), (225680, 8806573), (249860, 7954324), (269080, 7386158), (284083, 6996080), (349804, 5681660), (437255, 4545328), (499720, 3977162), (538160, 3693079), (568166, 3498040), (699608, 2840830), (874510, 2272664), (999440, 1988581), (1136332, 1749020), (1399216, 1420415)]