311815140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 288

約数和(自身を含む): 1133346816

約数和(自身を除く): 821531676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 84, 91, 92, 105, 115, 130, 138, 140, 156, 161, 169, 182, 191, 195, 210, 230, 260, 273, 276, 299, 322, 338, 345, 364, 382, 390, 420, 455, 460, 483, 507, 546, 573, 598, 644, 676, 690, 764, 780, 805, 845, 897, 910, 955, 966, 1014, 1092, 1146, 1183, 1196, 1337, 1365, 1380, 1495, 1610, 1690, 1794, 1820, 1910, 1932, 2028, 2093, 2292, 2366, 2415, 2483, 2535, 2674, 2730, 2865, 2990, 3220, 3380, 3549, 3588, 3820, 3887, 4011, 4186, 4393, 4485, 4732, 4830, 4966, 5070, 5348, 5460, 5730, 5915, 5980, 6279, 6685, 7098, 7449, 7774, 8022, 8372, 8786, 8970, 9660, 9932, 10140, 10465, 11460, 11661, 11830, 12415, 12558, 13179, 13370, 14196, 14898, 15548, 16044, 17381, 17572, 17745, 17940, 19435, 20055, 20930, 21965, 23322, 23660, 24830, 25116, 26358, 26740, 27209, 29796, 30751, 31395, 32279, 34762, 35490, 37245, 38870, 40110, 41860, 43930, 46644, 49660, 52143, 52716, 54418, 57109, 58305, 61502, 62790, 64558, 65895, 69524, 70980, 74490, 77740, 80220, 81627, 86905, 87860, 92253, 96837, 104286, 108836, 114218, 116610, 123004, 125580, 129116, 131790, 136045, 148980, 153755, 161395, 163254, 171327, 173810, 184506, 193674, 208572, 225953, 228436, 233220, 260715, 263580, 272090, 285545, 307510, 322790, 326508, 342654, 347620, 369012, 387348, 399763, 408135, 451906, 461265, 484185, 521430, 544180, 571090, 615020, 645580, 677859, 685308, 742417, 799526, 816270, 856635, 903812, 922530, 968370, 1042860, 1129765, 1142180, 1199289, 1355718, 1484834, 1599052, 1632540, 1713270, 1845060, 1936740, 1998815, 2227251, 2259530, 2398578, 2711436, 2969668, 3389295, 3426540, 3712085, 3997630, 4454502, 4519060, 4797156, 5196919, 5996445, 6778590, 7424170, 7995260, 8909004, 10393838, 11136255, 11992890, 13557180, 14848340, 15590757, 20787676, 22272510, 23985780, 25984595, 31181514, 44545020, 51969190, 62363028, 77953785, 103938380, 155907570, 311815140]

約数ペア:

[(1, 311815140), (2, 155907570), (3, 103938380), (4, 77953785), (5, 62363028), (6, 51969190), (7, 44545020), (10, 31181514), (12, 25984595), (13, 23985780), (14, 22272510), (15, 20787676), (20, 15590757), (21, 14848340), (23, 13557180), (26, 11992890), (28, 11136255), (30, 10393838), (35, 8909004), (39, 7995260), (42, 7424170), (46, 6778590), (52, 5996445), (60, 5196919), (65, 4797156), (69, 4519060), (70, 4454502), (78, 3997630), (84, 3712085), (91, 3426540), (92, 3389295), (105, 2969668), (115, 2711436), (130, 2398578), (138, 2259530), (140, 2227251), (156, 1998815), (161, 1936740), (169, 1845060), (182, 1713270), (191, 1632540), (195, 1599052), (210, 1484834), (230, 1355718), (260, 1199289), (273, 1142180), (276, 1129765), (299, 1042860), (322, 968370), (338, 922530), (345, 903812), (364, 856635), (382, 816270), (390, 799526), (420, 742417), (455, 685308), (460, 677859), (483, 645580), (507, 615020), (546, 571090), (573, 544180), (598, 521430), (644, 484185), (676, 461265), (690, 451906), (764, 408135), (780, 399763), (805, 387348), (845, 369012), (897, 347620), (910, 342654), (955, 326508), (966, 322790), (1014, 307510), (1092, 285545), (1146, 272090), (1183, 263580), (1196, 260715), (1337, 233220), (1365, 228436), (1380, 225953), (1495, 208572), (1610, 193674), (1690, 184506), (1794, 173810), (1820, 171327), (1910, 163254), (1932, 161395), (2028, 153755), (2093, 148980), (2292, 136045), (2366, 131790), (2415, 129116), (2483, 125580), (2535, 123004), (2674, 116610), (2730, 114218), (2865, 108836), (2990, 104286), (3220, 96837), (3380, 92253), (3549, 87860), (3588, 86905), (3820, 81627), (3887, 80220), (4011, 77740), (4186, 74490), (4393, 70980), (4485, 69524), (4732, 65895), (4830, 64558), (4966, 62790), (5070, 61502), (5348, 58305), (5460, 57109), (5730, 54418), (5915, 52716), (5980, 52143), (6279, 49660), (6685, 46644), (7098, 43930), (7449, 41860), (7774, 40110), (8022, 38870), (8372, 37245), (8786, 35490), (8970, 34762), (9660, 32279), (9932, 31395), (10140, 30751), (10465, 29796), (11460, 27209), (11661, 26740), (11830, 26358), (12415, 25116), (12558, 24830), (13179, 23660), (13370, 23322), (14196, 21965), (14898, 20930), (15548, 20055), (16044, 19435), (17381, 17940), (17572, 17745)]