161711280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11821}}^1$

素因数の和:11859

約数の個数: 120

約数和(自身を含む): 571711920

約数和(自身を除く): 410000640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 11821, 13680, 23642, 35463, 47284, 59105, 70926, 94568, 106389, 118210, 141852, 177315, 189136, 212778, 224599, 236420, 283704, 354630, 425556, 449198, 472840, 531945, 567408, 673797, 709260, 851112, 898396, 945680, 1063890, 1122995, 1347594, 1418520, 1702224, 1796792, 2021391, 2127780, 2245990, 2695188, 2837040, 3368985, 3593584, 4042782, 4255560, 4491980, 5390376, 6737970, 8085564, 8511120, 8983960, 10106955, 10780752, 13475940, 16171128, 17967920, 20213910, 26951880, 32342256, 40427820, 53903760, 80855640, 161711280]

約数ペア:

[(1, 161711280), (2, 80855640), (3, 53903760), (4, 40427820), (5, 32342256), (6, 26951880), (8, 20213910), (9, 17967920), (10, 16171128), (12, 13475940), (15, 10780752), (16, 10106955), (18, 8983960), (19, 8511120), (20, 8085564), (24, 6737970), (30, 5390376), (36, 4491980), (38, 4255560), (40, 4042782), (45, 3593584), (48, 3368985), (57, 2837040), (60, 2695188), (72, 2245990), (76, 2127780), (80, 2021391), (90, 1796792), (95, 1702224), (114, 1418520), (120, 1347594), (144, 1122995), (152, 1063890), (171, 945680), (180, 898396), (190, 851112), (228, 709260), (240, 673797), (285, 567408), (304, 531945), (342, 472840), (360, 449198), (380, 425556), (456, 354630), (570, 283704), (684, 236420), (720, 224599), (760, 212778), (855, 189136), (912, 177315), (1140, 141852), (1368, 118210), (1520, 106389), (1710, 94568), (2280, 70926), (2736, 59105), (3420, 47284), (4560, 35463), (6840, 23642), (11821, 13680)]