321776210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 742625280

約数和(自身を除く): 420849070

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 67, 70, 95, 115, 133, 134, 157, 161, 190, 230, 266, 314, 322, 335, 437, 469, 665, 670, 785, 805, 874, 938, 1099, 1273, 1330, 1541, 1570, 1610, 2185, 2198, 2345, 2546, 2983, 3059, 3082, 3611, 4370, 4690, 5495, 5966, 6118, 6365, 7222, 7705, 8911, 10519, 10787, 10990, 12730, 14915, 15295, 15410, 17822, 18055, 20881, 21038, 21574, 25277, 29279, 29830, 30590, 36110, 41762, 44555, 50554, 52595, 53935, 58558, 68609, 73633, 89110, 104405, 105190, 107870, 126385, 137218, 146395, 147266, 199861, 204953, 208810, 241937, 252770, 292790, 343045, 368165, 399722, 409906, 480263, 483874, 686090, 736330, 960526, 999305, 1024765, 1209685, 1399027, 1693559, 1998610, 2049530, 2401315, 2419370, 2798054, 3387118, 4596803, 4802630, 6995135, 8467795, 9193606, 13990270, 16935590, 22984015, 32177621, 45968030, 64355242, 160888105, 321776210]

約数ペア:

[(1, 321776210), (2, 160888105), (5, 64355242), (7, 45968030), (10, 32177621), (14, 22984015), (19, 16935590), (23, 13990270), (35, 9193606), (38, 8467795), (46, 6995135), (67, 4802630), (70, 4596803), (95, 3387118), (115, 2798054), (133, 2419370), (134, 2401315), (157, 2049530), (161, 1998610), (190, 1693559), (230, 1399027), (266, 1209685), (314, 1024765), (322, 999305), (335, 960526), (437, 736330), (469, 686090), (665, 483874), (670, 480263), (785, 409906), (805, 399722), (874, 368165), (938, 343045), (1099, 292790), (1273, 252770), (1330, 241937), (1541, 208810), (1570, 204953), (1610, 199861), (2185, 147266), (2198, 146395), (2345, 137218), (2546, 126385), (2983, 107870), (3059, 105190), (3082, 104405), (3611, 89110), (4370, 73633), (4690, 68609), (5495, 58558), (5966, 53935), (6118, 52595), (6365, 50554), (7222, 44555), (7705, 41762), (8911, 36110), (10519, 30590), (10787, 29830), (10990, 29279), (12730, 25277), (14915, 21574), (15295, 21038), (15410, 20881), (17822, 18055)]