251983920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 809948160

約数和(自身を除く): 557964240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 89, 94, 120, 141, 178, 188, 235, 240, 251, 267, 282, 356, 376, 445, 470, 502, 534, 564, 705, 712, 752, 753, 890, 940, 1004, 1068, 1128, 1255, 1335, 1410, 1424, 1506, 1780, 1880, 2008, 2136, 2256, 2510, 2670, 2820, 3012, 3560, 3760, 3765, 4016, 4183, 4272, 5020, 5340, 5640, 6024, 7120, 7530, 8366, 10040, 10680, 11280, 11797, 12048, 12549, 15060, 16732, 20080, 20915, 21360, 22339, 23594, 25098, 30120, 33464, 35391, 41830, 44678, 47188, 50196, 58985, 60240, 62745, 66928, 67017, 70782, 83660, 89356, 94376, 100392, 111695, 117970, 125490, 134034, 141564, 167320, 176955, 178712, 188752, 200784, 223390, 235940, 250980, 268068, 283128, 334640, 335085, 353910, 357424, 446780, 471880, 501960, 536136, 566256, 670170, 707820, 893560, 943760, 1003920, 1049933, 1072272, 1340340, 1415640, 1787120, 2099866, 2680680, 2831280, 3149799, 4199732, 5249665, 5361360, 6299598, 8399464, 10499330, 12599196, 15748995, 16798928, 20998660, 25198392, 31497990, 41997320, 50396784, 62995980, 83994640, 125991960, 251983920]

約数ペア:

[(1, 251983920), (2, 125991960), (3, 83994640), (4, 62995980), (5, 50396784), (6, 41997320), (8, 31497990), (10, 25198392), (12, 20998660), (15, 16798928), (16, 15748995), (20, 12599196), (24, 10499330), (30, 8399464), (40, 6299598), (47, 5361360), (48, 5249665), (60, 4199732), (80, 3149799), (89, 2831280), (94, 2680680), (120, 2099866), (141, 1787120), (178, 1415640), (188, 1340340), (235, 1072272), (240, 1049933), (251, 1003920), (267, 943760), (282, 893560), (356, 707820), (376, 670170), (445, 566256), (470, 536136), (502, 501960), (534, 471880), (564, 446780), (705, 357424), (712, 353910), (752, 335085), (753, 334640), (890, 283128), (940, 268068), (1004, 250980), (1068, 235940), (1128, 223390), (1255, 200784), (1335, 188752), (1410, 178712), (1424, 176955), (1506, 167320), (1780, 141564), (1880, 134034), (2008, 125490), (2136, 117970), (2256, 111695), (2510, 100392), (2670, 94376), (2820, 89356), (3012, 83660), (3560, 70782), (3760, 67017), (3765, 66928), (4016, 62745), (4183, 60240), (4272, 58985), (5020, 50196), (5340, 47188), (5640, 44678), (6024, 41830), (7120, 35391), (7530, 33464), (8366, 30120), (10040, 25098), (10680, 23594), (11280, 22339), (11797, 21360), (12048, 20915), (12549, 20080), (15060, 16732)]