638963760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:523

約数の個数: 160

約数和(自身を含む): 2036441088

約数和(自身を除く): 1397477328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 191, 212, 240, 263, 265, 318, 382, 424, 526, 530, 573, 636, 764, 789, 795, 848, 955, 1052, 1060, 1146, 1272, 1315, 1528, 1578, 1590, 1910, 2104, 2120, 2292, 2544, 2630, 2865, 3056, 3156, 3180, 3820, 3945, 4208, 4240, 4584, 5260, 5730, 6312, 6360, 7640, 7890, 9168, 10123, 10520, 11460, 12624, 12720, 13939, 15280, 15780, 20246, 21040, 22920, 27878, 30369, 31560, 40492, 41817, 45840, 50233, 50615, 55756, 60738, 63120, 69695, 80984, 83634, 100466, 101230, 111512, 121476, 139390, 150699, 151845, 161968, 167268, 200932, 202460, 209085, 223024, 242952, 251165, 278780, 301398, 303690, 334536, 401864, 404920, 418170, 485904, 502330, 557560, 602796, 607380, 669072, 753495, 803728, 809840, 836340, 1004660, 1115120, 1205592, 1214760, 1506990, 1672680, 2009320, 2411184, 2429520, 2662349, 3013980, 3345360, 4018640, 5324698, 6027960, 7987047, 10649396, 12055920, 13311745, 15974094, 21298792, 26623490, 31948188, 39935235, 42597584, 53246980, 63896376, 79870470, 106493960, 127792752, 159740940, 212987920, 319481880, 638963760]

約数ペア:

[(1, 638963760), (2, 319481880), (3, 212987920), (4, 159740940), (5, 127792752), (6, 106493960), (8, 79870470), (10, 63896376), (12, 53246980), (15, 42597584), (16, 39935235), (20, 31948188), (24, 26623490), (30, 21298792), (40, 15974094), (48, 13311745), (53, 12055920), (60, 10649396), (80, 7987047), (106, 6027960), (120, 5324698), (159, 4018640), (191, 3345360), (212, 3013980), (240, 2662349), (263, 2429520), (265, 2411184), (318, 2009320), (382, 1672680), (424, 1506990), (526, 1214760), (530, 1205592), (573, 1115120), (636, 1004660), (764, 836340), (789, 809840), (795, 803728), (848, 753495), (955, 669072), (1052, 607380), (1060, 602796), (1146, 557560), (1272, 502330), (1315, 485904), (1528, 418170), (1578, 404920), (1590, 401864), (1910, 334536), (2104, 303690), (2120, 301398), (2292, 278780), (2544, 251165), (2630, 242952), (2865, 223024), (3056, 209085), (3156, 202460), (3180, 200932), (3820, 167268), (3945, 161968), (4208, 151845), (4240, 150699), (4584, 139390), (5260, 121476), (5730, 111512), (6312, 101230), (6360, 100466), (7640, 83634), (7890, 80984), (9168, 69695), (10123, 63120), (10520, 60738), (11460, 55756), (12624, 50615), (12720, 50233), (13939, 45840), (15280, 41817), (15780, 40492), (20246, 31560), (21040, 30369), (22920, 27878)]