20161280760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{238991}}^1$

素因数の和:239061

約数の個数: 128

約数和(自身を含む): 65388211200

約数和(自身を除く): 45226930440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 888, 1110, 1140, 1406, 1480, 2109, 2220, 2280, 2812, 3515, 4218, 4440, 5624, 7030, 8436, 10545, 14060, 16872, 21090, 28120, 42180, 84360, 238991, 477982, 716973, 955964, 1194955, 1433946, 1911928, 2389910, 2867892, 3584865, 4540829, 4779820, 5735784, 7169730, 8842667, 9081658, 9559640, 13622487, 14339460, 17685334, 18163316, 22704145, 26528001, 27244974, 28678920, 35370668, 36326632, 44213335, 45408290, 53056002, 54489948, 68112435, 70741336, 88426670, 90816580, 106112004, 108979896, 132640005, 136224870, 168010673, 176853340, 181633160, 212224008, 265280010, 272449740, 336021346, 353706680, 504032019, 530560020, 544899480, 672042692, 840053365, 1008064038, 1061120040, 1344085384, 1680106730, 2016128076, 2520160095, 3360213460, 4032256152, 5040320190, 6720426920, 10080640380, 20161280760]

約数ペア:

[(1, 20161280760), (2, 10080640380), (3, 6720426920), (4, 5040320190), (5, 4032256152), (6, 3360213460), (8, 2520160095), (10, 2016128076), (12, 1680106730), (15, 1344085384), (19, 1061120040), (20, 1008064038), (24, 840053365), (30, 672042692), (37, 544899480), (38, 530560020), (40, 504032019), (57, 353706680), (60, 336021346), (74, 272449740), (76, 265280010), (95, 212224008), (111, 181633160), (114, 176853340), (120, 168010673), (148, 136224870), (152, 132640005), (185, 108979896), (190, 106112004), (222, 90816580), (228, 88426670), (285, 70741336), (296, 68112435), (370, 54489948), (380, 53056002), (444, 45408290), (456, 44213335), (555, 36326632), (570, 35370668), (703, 28678920), (740, 27244974), (760, 26528001), (888, 22704145), (1110, 18163316), (1140, 17685334), (1406, 14339460), (1480, 13622487), (2109, 9559640), (2220, 9081658), (2280, 8842667), (2812, 7169730), (3515, 5735784), (4218, 4779820), (4440, 4540829), (5624, 3584865), (7030, 2867892), (8436, 2389910), (10545, 1911928), (14060, 1433946), (16872, 1194955), (21090, 955964), (28120, 716973), (42180, 477982), (84360, 238991)]