128880990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 256

約数和(自身を含む): 429004800

約数和(自身を除く): 300123810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 37, 38, 42, 45, 54, 57, 63, 70, 74, 90, 95, 97, 105, 111, 114, 126, 133, 135, 171, 185, 189, 190, 194, 210, 222, 259, 266, 270, 285, 291, 315, 333, 342, 370, 378, 399, 485, 513, 518, 555, 570, 582, 630, 665, 666, 679, 703, 777, 798, 855, 873, 945, 970, 999, 1026, 1110, 1197, 1295, 1330, 1358, 1406, 1455, 1554, 1665, 1710, 1746, 1843, 1890, 1995, 1998, 2037, 2109, 2331, 2394, 2565, 2590, 2619, 2910, 3330, 3395, 3515, 3589, 3591, 3686, 3885, 3990, 4074, 4218, 4365, 4662, 4921, 4995, 5130, 5238, 5529, 5985, 6111, 6327, 6790, 6993, 7030, 7178, 7182, 7770, 8730, 9215, 9842, 9990, 10185, 10545, 10767, 11058, 11655, 11970, 12222, 12654, 12901, 13095, 13986, 14763, 16587, 17945, 17955, 18333, 18430, 18981, 20370, 21090, 21534, 23310, 24605, 25123, 25802, 26190, 27645, 29526, 30555, 31635, 32301, 33174, 34965, 35890, 35910, 36666, 37962, 38703, 44289, 49210, 49761, 50246, 53835, 55290, 61110, 63270, 64505, 64602, 68191, 69930, 73815, 75369, 77406, 82935, 88578, 91665, 94905, 96903, 99522, 107670, 116109, 125615, 129010, 132867, 136382, 147630, 150738, 161505, 165870, 183330, 189810, 193515, 193806, 204573, 221445, 226107, 232218, 248805, 251230, 265734, 323010, 340955, 348327, 376845, 387030, 409146, 442890, 452214, 477337, 484515, 497610, 580545, 613719, 664335, 678321, 681910, 696654, 753690, 954674, 969030, 1022865, 1130535, 1161090, 1227438, 1328670, 1356642, 1432011, 1741635, 1841157, 2045730, 2261070, 2386685, 2864022, 3068595, 3391605, 3483270, 3682314, 4296033, 4773370, 6137190, 6783210, 7160055, 8592066, 9205785, 12888099, 14320110, 18411570, 21480165, 25776198, 42960330, 64440495, 128880990]

約数ペア:

[(1, 128880990), (2, 64440495), (3, 42960330), (5, 25776198), (6, 21480165), (7, 18411570), (9, 14320110), (10, 12888099), (14, 9205785), (15, 8592066), (18, 7160055), (19, 6783210), (21, 6137190), (27, 4773370), (30, 4296033), (35, 3682314), (37, 3483270), (38, 3391605), (42, 3068595), (45, 2864022), (54, 2386685), (57, 2261070), (63, 2045730), (70, 1841157), (74, 1741635), (90, 1432011), (95, 1356642), (97, 1328670), (105, 1227438), (111, 1161090), (114, 1130535), (126, 1022865), (133, 969030), (135, 954674), (171, 753690), (185, 696654), (189, 681910), (190, 678321), (194, 664335), (210, 613719), (222, 580545), (259, 497610), (266, 484515), (270, 477337), (285, 452214), (291, 442890), (315, 409146), (333, 387030), (342, 376845), (370, 348327), (378, 340955), (399, 323010), (485, 265734), (513, 251230), (518, 248805), (555, 232218), (570, 226107), (582, 221445), (630, 204573), (665, 193806), (666, 193515), (679, 189810), (703, 183330), (777, 165870), (798, 161505), (855, 150738), (873, 147630), (945, 136382), (970, 132867), (999, 129010), (1026, 125615), (1110, 116109), (1197, 107670), (1295, 99522), (1330, 96903), (1358, 94905), (1406, 91665), (1455, 88578), (1554, 82935), (1665, 77406), (1710, 75369), (1746, 73815), (1843, 69930), (1890, 68191), (1995, 64602), (1998, 64505), (2037, 63270), (2109, 61110), (2331, 55290), (2394, 53835), (2565, 50246), (2590, 49761), (2619, 49210), (2910, 44289), (3330, 38703), (3395, 37962), (3515, 36666), (3589, 35910), (3591, 35890), (3686, 34965), (3885, 33174), (3990, 32301), (4074, 31635), (4218, 30555), (4365, 29526), (4662, 27645), (4921, 26190), (4995, 25802), (5130, 25123), (5238, 24605), (5529, 23310), (5985, 21534), (6111, 21090), (6327, 20370), (6790, 18981), (6993, 18430), (7030, 18333), (7178, 17955), (7182, 17945), (7770, 16587), (8730, 14763), (9215, 13986), (9842, 13095), (9990, 12901), (10185, 12654), (10545, 12222), (10767, 11970), (11058, 11655)]