1649665920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{122743}}^1$

素因数の和:122772

約数の個数: 128

約数和(自身を含む): 6009546240

約数和(自身を除く): 4359880320

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, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 122743, 245486, 368229, 490972, 613715, 736458, 859201, 981944, 1227430, 1472916, 1718402, 1841145, 1963888, 2454860, 2577603, 2945832, 3436804, 3682290, 3927776, 4296005, 4909720, 5155206, 5891664, 6873608, 7364580, 7855552, 8592010, 9819440, 10310412, 11783328, 12888015, 13747216, 14729160, 15711104, 17184020, 19638880, 20620824, 23566656, 25776030, 27494432, 29458320, 34368040, 39277760, 41241648, 47133312, 51552060, 54988864, 58916640, 68736080, 78555520, 82483296, 103104120, 109977728, 117833280, 137472160, 164966592, 206208240, 235666560, 274944320, 329933184, 412416480, 549888640, 824832960, 1649665920]

約数ペア:

[(1, 1649665920), (2, 824832960), (3, 549888640), (4, 412416480), (5, 329933184), (6, 274944320), (7, 235666560), (8, 206208240), (10, 164966592), (12, 137472160), (14, 117833280), (15, 109977728), (16, 103104120), (20, 82483296), (21, 78555520), (24, 68736080), (28, 58916640), (30, 54988864), (32, 51552060), (35, 47133312), (40, 41241648), (42, 39277760), (48, 34368040), (56, 29458320), (60, 27494432), (64, 25776030), (70, 23566656), (80, 20620824), (84, 19638880), (96, 17184020), (105, 15711104), (112, 14729160), (120, 13747216), (128, 12888015), (140, 11783328), (160, 10310412), (168, 9819440), (192, 8592010), (210, 7855552), (224, 7364580), (240, 6873608), (280, 5891664), (320, 5155206), (336, 4909720), (384, 4296005), (420, 3927776), (448, 3682290), (480, 3436804), (560, 2945832), (640, 2577603), (672, 2454860), (840, 1963888), (896, 1841145), (960, 1718402), (1120, 1472916), (1344, 1227430), (1680, 981944), (1920, 859201), (2240, 736458), (2688, 613715), (3360, 490972), (4480, 368229), (6720, 245486), (13440, 122743)]