258679980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 240

約数和(自身を含む): 891342144

約数和(自身を除く): 632662164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 71, 78, 81, 90, 108, 117, 130, 135, 142, 156, 162, 173, 180, 195, 213, 234, 260, 270, 284, 324, 346, 351, 355, 390, 405, 426, 468, 519, 540, 585, 639, 692, 702, 710, 780, 810, 852, 865, 923, 1038, 1053, 1065, 1170, 1278, 1404, 1420, 1557, 1620, 1730, 1755, 1846, 1917, 2076, 2106, 2130, 2249, 2340, 2556, 2595, 2769, 3114, 3195, 3460, 3510, 3692, 3834, 4212, 4260, 4498, 4615, 4671, 5190, 5265, 5538, 5751, 6228, 6390, 6747, 7020, 7668, 7785, 8307, 8996, 9230, 9342, 9585, 10380, 10530, 11076, 11245, 11502, 12283, 12780, 13494, 13845, 14013, 15570, 16614, 18460, 18684, 19170, 20241, 21060, 22490, 23004, 23355, 24566, 24921, 26988, 27690, 28026, 28755, 31140, 33228, 33735, 36849, 38340, 40482, 41535, 44980, 46710, 49132, 49842, 55380, 56052, 57510, 60723, 61415, 67470, 70065, 73698, 74763, 80964, 83070, 93420, 99684, 101205, 110547, 115020, 121446, 122830, 124605, 134940, 140130, 147396, 149526, 159679, 166140, 182169, 184245, 202410, 221094, 242892, 245660, 249210, 280260, 299052, 303615, 319358, 331641, 364338, 368490, 373815, 404820, 442188, 479037, 498420, 552735, 607230, 638716, 663282, 728676, 736980, 747630, 798395, 910845, 958074, 994923, 1105470, 1214460, 1326564, 1437111, 1495260, 1596790, 1658205, 1821690, 1916148, 1989846, 2210940, 2395185, 2874222, 3193580, 3316410, 3643380, 3979692, 4311333, 4790370, 4974615, 5748444, 6632820, 7185555, 8622666, 9580740, 9949230, 12933999, 14371110, 17245332, 19898460, 21556665, 25867998, 28742220, 43113330, 51735996, 64669995, 86226660, 129339990, 258679980]

約数ペア:

[(1, 258679980), (2, 129339990), (3, 86226660), (4, 64669995), (5, 51735996), (6, 43113330), (9, 28742220), (10, 25867998), (12, 21556665), (13, 19898460), (15, 17245332), (18, 14371110), (20, 12933999), (26, 9949230), (27, 9580740), (30, 8622666), (36, 7185555), (39, 6632820), (45, 5748444), (52, 4974615), (54, 4790370), (60, 4311333), (65, 3979692), (71, 3643380), (78, 3316410), (81, 3193580), (90, 2874222), (108, 2395185), (117, 2210940), (130, 1989846), (135, 1916148), (142, 1821690), (156, 1658205), (162, 1596790), (173, 1495260), (180, 1437111), (195, 1326564), (213, 1214460), (234, 1105470), (260, 994923), (270, 958074), (284, 910845), (324, 798395), (346, 747630), (351, 736980), (355, 728676), (390, 663282), (405, 638716), (426, 607230), (468, 552735), (519, 498420), (540, 479037), (585, 442188), (639, 404820), (692, 373815), (702, 368490), (710, 364338), (780, 331641), (810, 319358), (852, 303615), (865, 299052), (923, 280260), (1038, 249210), (1053, 245660), (1065, 242892), (1170, 221094), (1278, 202410), (1404, 184245), (1420, 182169), (1557, 166140), (1620, 159679), (1730, 149526), (1755, 147396), (1846, 140130), (1917, 134940), (2076, 124605), (2106, 122830), (2130, 121446), (2249, 115020), (2340, 110547), (2556, 101205), (2595, 99684), (2769, 93420), (3114, 83070), (3195, 80964), (3460, 74763), (3510, 73698), (3692, 70065), (3834, 67470), (4212, 61415), (4260, 60723), (4498, 57510), (4615, 56052), (4671, 55380), (5190, 49842), (5265, 49132), (5538, 46710), (5751, 44980), (6228, 41535), (6390, 40482), (6747, 38340), (7020, 36849), (7668, 33735), (7785, 33228), (8307, 31140), (8996, 28755), (9230, 28026), (9342, 27690), (9585, 26988), (10380, 24921), (10530, 24566), (11076, 23355), (11245, 23004), (11502, 22490), (12283, 21060), (12780, 20241), (13494, 19170), (13845, 18684), (14013, 18460), (15570, 16614)]