28296450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:729

約数の個数: 144

約数和(自身を含む): 93702336

約数和(自身を除く): 65405886

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 30, 35, 39, 42, 45, 50, 63, 65, 70, 75, 78, 90, 91, 105, 117, 126, 130, 150, 175, 182, 195, 210, 225, 234, 273, 315, 325, 350, 390, 450, 455, 525, 546, 585, 630, 650, 691, 819, 910, 975, 1050, 1170, 1365, 1382, 1575, 1638, 1950, 2073, 2275, 2730, 2925, 3150, 3455, 4095, 4146, 4550, 4837, 5850, 6219, 6825, 6910, 8190, 8983, 9674, 10365, 12438, 13650, 14511, 17275, 17966, 20475, 20730, 24185, 26949, 29022, 31095, 34550, 40950, 43533, 44915, 48370, 51825, 53898, 62190, 62881, 72555, 80847, 87066, 89830, 103650, 120925, 125762, 134745, 145110, 155475, 161694, 188643, 217665, 224575, 241850, 269490, 310950, 314405, 362775, 377286, 404235, 435330, 449150, 565929, 628810, 673725, 725550, 808470, 943215, 1088325, 1131858, 1347450, 1572025, 1886430, 2021175, 2176650, 2829645, 3144050, 4042350, 4716075, 5659290, 9432150, 14148225, 28296450]

約数ペア:

[(1, 28296450), (2, 14148225), (3, 9432150), (5, 5659290), (6, 4716075), (7, 4042350), (9, 3144050), (10, 2829645), (13, 2176650), (14, 2021175), (15, 1886430), (18, 1572025), (21, 1347450), (25, 1131858), (26, 1088325), (30, 943215), (35, 808470), (39, 725550), (42, 673725), (45, 628810), (50, 565929), (63, 449150), (65, 435330), (70, 404235), (75, 377286), (78, 362775), (90, 314405), (91, 310950), (105, 269490), (117, 241850), (126, 224575), (130, 217665), (150, 188643), (175, 161694), (182, 155475), (195, 145110), (210, 134745), (225, 125762), (234, 120925), (273, 103650), (315, 89830), (325, 87066), (350, 80847), (390, 72555), (450, 62881), (455, 62190), (525, 53898), (546, 51825), (585, 48370), (630, 44915), (650, 43533), (691, 40950), (819, 34550), (910, 31095), (975, 29022), (1050, 26949), (1170, 24185), (1365, 20730), (1382, 20475), (1575, 17966), (1638, 17275), (1950, 14511), (2073, 13650), (2275, 12438), (2730, 10365), (2925, 9674), (3150, 8983), (3455, 8190), (4095, 6910), (4146, 6825), (4550, 6219), (4837, 5850)]