28784400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 180

約数和(自身を含む): 99129072

約数和(自身を除く): 70344672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 83, 85, 100, 102, 120, 136, 150, 166, 170, 200, 204, 240, 249, 255, 272, 289, 300, 332, 340, 400, 408, 415, 425, 498, 510, 578, 600, 664, 680, 816, 830, 850, 867, 996, 1020, 1156, 1200, 1245, 1275, 1328, 1360, 1411, 1445, 1660, 1700, 1734, 1992, 2040, 2075, 2312, 2490, 2550, 2822, 2890, 3320, 3400, 3468, 3984, 4080, 4150, 4233, 4335, 4624, 4980, 5100, 5644, 5780, 6225, 6640, 6800, 6936, 7055, 7225, 8300, 8466, 8670, 9960, 10200, 11288, 11560, 12450, 13872, 14110, 14450, 16600, 16932, 17340, 19920, 20400, 21165, 21675, 22576, 23120, 23987, 24900, 28220, 28900, 33200, 33864, 34680, 35275, 42330, 43350, 47974, 49800, 56440, 57800, 67728, 69360, 70550, 71961, 84660, 86700, 95948, 99600, 105825, 112880, 115600, 119935, 141100, 143922, 169320, 173400, 191896, 211650, 239870, 282200, 287844, 338640, 346800, 359805, 383792, 423300, 479740, 564400, 575688, 599675, 719610, 846600, 959480, 1151376, 1199350, 1439220, 1693200, 1799025, 1918960, 2398700, 2878440, 3598050, 4797400, 5756880, 7196100, 9594800, 14392200, 28784400]

約数ペア:

[(1, 28784400), (2, 14392200), (3, 9594800), (4, 7196100), (5, 5756880), (6, 4797400), (8, 3598050), (10, 2878440), (12, 2398700), (15, 1918960), (16, 1799025), (17, 1693200), (20, 1439220), (24, 1199350), (25, 1151376), (30, 959480), (34, 846600), (40, 719610), (48, 599675), (50, 575688), (51, 564400), (60, 479740), (68, 423300), (75, 383792), (80, 359805), (83, 346800), (85, 338640), (100, 287844), (102, 282200), (120, 239870), (136, 211650), (150, 191896), (166, 173400), (170, 169320), (200, 143922), (204, 141100), (240, 119935), (249, 115600), (255, 112880), (272, 105825), (289, 99600), (300, 95948), (332, 86700), (340, 84660), (400, 71961), (408, 70550), (415, 69360), (425, 67728), (498, 57800), (510, 56440), (578, 49800), (600, 47974), (664, 43350), (680, 42330), (816, 35275), (830, 34680), (850, 33864), (867, 33200), (996, 28900), (1020, 28220), (1156, 24900), (1200, 23987), (1245, 23120), (1275, 22576), (1328, 21675), (1360, 21165), (1411, 20400), (1445, 19920), (1660, 17340), (1700, 16932), (1734, 16600), (1992, 14450), (2040, 14110), (2075, 13872), (2312, 12450), (2490, 11560), (2550, 11288), (2822, 10200), (2890, 9960), (3320, 8670), (3400, 8466), (3468, 8300), (3984, 7225), (4080, 7055), (4150, 6936), (4233, 6800), (4335, 6640), (4624, 6225), (4980, 5780), (5100, 5644)]