28781760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{4283}}^1$

素因数の和:4310

約数の個数: 112

約数和(自身を含む): 104461056

約数和(自身を除く): 75679296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 4283, 6720, 8566, 12849, 17132, 21415, 25698, 29981, 34264, 42830, 51396, 59962, 64245, 68528, 85660, 89943, 102792, 119924, 128490, 137056, 149905, 171320, 179886, 205584, 239848, 256980, 274112, 299810, 342640, 359772, 411168, 449715, 479696, 513960, 599620, 685280, 719544, 822336, 899430, 959392, 1027920, 1199240, 1370560, 1439088, 1798860, 1918784, 2055840, 2398480, 2878176, 3597720, 4111680, 4796960, 5756352, 7195440, 9593920, 14390880, 28781760]

約数ペア:

[(1, 28781760), (2, 14390880), (3, 9593920), (4, 7195440), (5, 5756352), (6, 4796960), (7, 4111680), (8, 3597720), (10, 2878176), (12, 2398480), (14, 2055840), (15, 1918784), (16, 1798860), (20, 1439088), (21, 1370560), (24, 1199240), (28, 1027920), (30, 959392), (32, 899430), (35, 822336), (40, 719544), (42, 685280), (48, 599620), (56, 513960), (60, 479696), (64, 449715), (70, 411168), (80, 359772), (84, 342640), (96, 299810), (105, 274112), (112, 256980), (120, 239848), (140, 205584), (160, 179886), (168, 171320), (192, 149905), (210, 137056), (224, 128490), (240, 119924), (280, 102792), (320, 89943), (336, 85660), (420, 68528), (448, 64245), (480, 59962), (560, 51396), (672, 42830), (840, 34264), (960, 29981), (1120, 25698), (1344, 21415), (1680, 17132), (2240, 12849), (3360, 8566), (4283, 6720)]